I not that good with math but I would say C.
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Answer:
4r + 4(r + 3) = 68
r = 7 miles per hour
r + 3 = 10 miles per hour
Step-by-step explanation:
distance = rate * time
a)
4r + 4(r + 3) = 68
Distribute
4r + 4r + 12 = 68
8r + 12 = 68
8r = 56
r = 7 miles per hour
r + 3 = 10 miles per hour
Answer:
Cant you just type that in the calculator 18 times lol
Step-by-step explanation:
use a calculator
Answer:they got it
Step-by-step explanation: