Question

Estimate:

Answer 1

Estimate 

5. 49.2 this is actually 20% but its close enough to estimate 

6. 120 this is closer to 150%

7. 226.8 this is 70%

8. 36 this is closer to 55%

9. It would be closer to fifteen minutes because 25% = 1/4 and 15/45 = 25% and 45 minutes is close to 50 min

write an equation

10. 14% = .14    so .14×64 = 8.96

11.    x = .36 × 194    x = 69.84

12.   .82x = 73.8   divide each side by .82     x = 90

13.   75 = 50x   divide each side by 50    x = 1.50 or 150%