Question

Question 15

Ernesto made a graph of the distance (y), in miles, he can ride a bicycle in x hours. Ernesto can ride 5.5 miles in 0.5 hour. Which point on the graph represents Ernesto’s rate of travel, in miles per hour?

A.(0, 5.5)

B.(0, 11)

C.(1, 5.5)

D.(1, 11)

Which estimate is closest to the value of 3 7/8 ⋅ 5 1/16?

A.15

B.18

C.20

D.24

Answer 1

If he can ride 5.5 miles in 0.5 hours, then that means he can ride 11 miles in a full hour. If distance is on the y axis and time is on the x axis, 11 mph would be point (1, 11). Answer is D

For the second question, round the numbers to the nearest whole numbers. We now have 4 * 5 which is about 20. Answer is C