Need help....ASAP on both 7 AND 8



Answer:
7)Amount of calories Ethan would burn running for 5 hours in one week= [tex]650\times5=3250[/tex] calories
8)Erosion caused by wave for 8 years would be= [tex]3\times8=24[/tex]cm
Step-by-step explanation:
7) Ethan burns 650 calories on running for an hour.
Amount of calories he would burn running for 5 hours in one week= [tex]650\times5=3250[/tex] calories
8) Erosion caused by wave per year =3 cm
Erosion caused by wave for 8 years would be= [tex]3\times8=24[/tex]cm