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DUE SOON PLEASE HELP ME FIGURE THIS OUT, QUESTIONS ARE DOWN BELOW MANY THANKS ​
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DUE SOON PLEASE HELP ME FIGURE THIS OUT, QUESTIONS ARE DOWN BELOW
MANY THANKS ​

DUE SOON PLEASE HELP ME FIGURE THIS OUT, QUESTIONS ARE DOWN BELOW MANY THANKS ​-example-1
User Nesan Mano
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7.8k points

1 Answer

4 votes

Answer:

3.

12a + 21(12) = 21a

252 = 21a - 12a

252 = 9a

a = 252/9

a = 28 mins

Sam takes 28 minutes

Explanation:

im not sure about 4

User Asra
by
7.5k points
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