sarow78377 sarow78377

19-01-2021
Mathematics

contestada

WILL GIVE BRAINLIEST!!!!
The track team is trying to reduce their time for a relay race. First they reduce their time by 2.1 minutes. Then they are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time?
A. 7.25
B. 6.5
C. 8.5
D. 6
E. 4.2

Respuesta :

noahpierce0627 noahpierce0627

19-01-2021

Answer:

the answer is d

Step-by-step explanation:

hope i helped

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epicmathmoment epicmathmoment

19-01-2021

Answer:

B) 6.5

Step-by-step explanation:

We work backwards.

A 1/10 reduction is the same as multiplying by 0.9 so we do 3.96/0.9=4.4

They reducde by 2.1 so we add to get 4.4+2.1 = 6.5

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