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Zigmanuir [339]
3 years ago
8

PLEASE HELP! WILL GIVE BRAINLIEST!

Mathematics
2 answers:
Brrunno [24]3 years ago
7 0

Hi There!

Step-by-step explanation:

Car B Travel Distance = x

Car A Travel Distance = x + 5 (Given the fact that Car A is traveling 5mph faster than Car B)

Formula - R * T = D

Car A Distance - (4 * x) + (4 * 5) or 4(5 + x)

We know that both cars travel the same distance.

4 * (5 + x) = 4.5x = 20 + 4x

Switch: 4.5x + (-4x) = 20 (4.5x - 4x = 20)

Subtract 4 to the left side: 0.5x - 0x = 20 (0.5x = 20)

Divide: 20 / 0.5 = 40

Answer:

Car B traveled at 40 mph.

Hope This Helps :)

Ivenika [448]3 years ago
6 0

Answer:

40 mph.

Step-by-step explanation:

Hope I helped!

x-5=speed of car B


x=speed of car A


distance=speed times time


(x-5)(4.5)=(x)(4)


4.5x-22.5=4x


Multiply both sides by 2 to get rid of the decimals. 

9x-45=8x


Subtract 8x from each side.


x-45=0 9  (A)


Add 45 to both sides.

x=45


Speed of car A=45 mph


Speed of car B=40 mph

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