Question

Write an equation for each problem. Use the variable M.

18) Five students are absent from math class today. If there are 22 students in math class today, how many students
would there be if none were absent?

19) Juan pays $22.05 more than Kim each month for his health club membership. Juan pays $59.95 each month. How
much does Kim pay each month?



Critical thinking applications

31) The amount of cashews in a mixture of nuts is 3 times the amount of almonds. let C represent the amount of cashews in the mixture. If there are 1 1/2 lb. Of almonds in the number mixture, how many pounds of cashews are there?


32) josh is one third as old as his mother. If Josh’s mother is 45 years old, how old is josh?


Connections:
33) the formula for distance is D= r*t, where d=distance, r=rate, and t=time. If a car travels for 15 seconds at 88 feet per second, how far will it have traveled?

Answer 1

18) m=22+5. there would be 27 students.

19) k=59.95 - 22.05. kim pays 37.90

31) c = 3a. c=3(1.5). 4.5 pounds of cashews.

32) j=1/3m. j=1/3(45), or 45/3. josh is 15 years old.