Respuesta :
Use the four-step plan to solve each problem.
1. Financial Literacy Antonia bought a video game
system for $323.96. She paid in 12 equal
installments. About how much did she pay each
month?
ANSWER:
Sample answer: about $27
4. The planet Mercury takes 56.6 Earth days to rotate
once about its axis.
About how many times does it rotate about its axis
during one Earth year?
ANSWER:
Sample answer: about 6 times
6. The table shows the speed, in pages per minute
(ppm), for three different
brands of printer.
a. Andrew needs to print a document that is 180
pages long. How much longer will it take to print the
document on a Sure-Fire printer than on a Centroid
printer?
b. Carlos can print a document on an Apricot
printer in 4.5 minutes. How long would it take him
to print the same document on a Sure-Fire printer?
ANSWER:
a. 3 min
b. 3 min
7. The towns of Jackson, Bellevue, Salem, and
Denton lie along a highway, in the order listed. The
distance from Jackson to Salem is 84 miles. The
distance from Bellevue to Denton is 61 miles. The
distance from Bellevue to Salem is 18 miles. What
is the distance from Jackson to Denton?
ANSWER:
127 mi
10. Persevere with Problems Noah has a $20 gift
card for an online music store. All songs at the store
have the same price. After Noah buys 3 songs, the
balance on the card is $16.25. What will be the
remaining balance on the card after he buys 5 more
songs?
ANSWER:
$10
13. A 26-mile section of a highway is designated as a
scenic byway. New signs will be placed at the
beginning and end of this section and at every 0.5
mile in between. How many new signs are needed?
A 13
B 14
C 52
D 53
ANSWER:
D
Use the four-step plan to solve each problem.
1. Financial Literacy Antonia bought a video game
system for $323.96. She paid in 12 equal
installments. About how much did she pay each
month?
ANSWER:
Sample answer: about $27
4. The planet Mercury takes 56.6 Earth days to rotate
once about its axis.
About how many times does it rotate about its axis
during one Earth year?
ANSWER:
Sample answer: about 6 times
6. The table shows the speed, in pages per minute
(ppm), for three different
brands of printer.
a. Andrew needs to print a document that is 180
pages long. How much longer will it take to print the
document on a Sure-Fire printer than on a Centroid
printer?
b. Carlos can print a document on an Apricot
printer in 4.5 minutes. How long would it take him
to print the same document on a Sure-Fire printer?
ANSWER:
a. 3 min
b. 3 min
7. The towns of Jackson, Bellevue, Salem, and
Denton lie along a highway, in the order listed. The
distance from Jackson to Salem is 84 miles. The
distance from Bellevue to Denton is 61 miles. The
distance from Bellevue to Salem is 18 miles. What
is the distance from Jackson to Denton?
ANSWER:
127 mi
10. Persevere with Problems Noah has a $20 gift
card for an online music store. All songs at the store
have the same price. After Noah buys 3 songs, the
balance on the card is $16.25. What will be the
remaining balance on the card after he buys 5 more
songs?
ANSWER:
$10
13. A 26-mile section of a highway is designated as a
scenic byway. New signs will be placed at the
beginning and end of this section and at every 0.5
mile in between. How many new signs are needed?
A 13
B 14
C 52
D 53
ANSWER:
D
