contestada

When building a math test, the teacher creates two difficult problems for every five easy problems. If the teacher is creating a test with 56 questions on it, how many questions will be difficult?

Respuesta :

hectorsantana

Answer:

So the problems are in sets of seven

2 dif+5 easy=7 questions

56/7=8 sets of question

8x2=16

8x5=40

16 difficult questions
22 answers would be difficult

Otras preguntas