Answer:

Step-by-step explanation:

Simplify:

Move 5c to the other side:

Divide bother sides with AC:

Simplify:

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Answer:
B: 8:14
Step-by-step explanation:
Its because there are 8 yellow one out of 14 blue ones pls mark me brainliest
We are given that there are a total of 78 students. If we set the following variables:

Then, the sum of all of these must be 78, that is:

Since there are 15 in chemistry and physics and 47 in chemistry, we may replace that into the equation and we get:

Simplifying:

Now we solve for P by subtracting 62 on both sides:

Therefore, there are 16 students in physics
1st guy minus the 2nd is how far the 2nd made it
86-22=64 ft