Acar traveled 990 feet down a road in 15 seconds. how many miles per
hour was the car traveling?

45 miles per hour.

Step-by-step explanation:

A car travelled 990 feet in 15 seconds.

1 mile = 5280 feet

? miles = 990 feet

Cross multiplying gives;

miles

1 hr = 3600 seconds

? hrs = 15 seconds

Cross multiplying gives;

hrs

Speed = Distance travelled ÷ time

Speed (in miles per hour) = miles ÷ hrs

= miles × miles = 45 miles per hour

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8