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Ipatiy [6.2K]
3 years ago
10

On a test Matilda answered 12 out of the first 15 correctly. If this rate continues how many of the next 25 problems will she an

swer correctly?
Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:

The correct answer is 20.

Step-by-step explanation:

First let's set the facts:

A) Total answers: 15    C) Correct answers: 12

B) Problems to solve: 25   D)  Next correct answers: x

Now we have three known values and an unknown one, and what we are going to do is a cross multiplication.

A/B = C/D

We multiply the numerator of each side by the denominator of the other side, crossing the terms over.

AxD = BxC

15 x X = 25x12

15X = 300

X= 300/15

X=20

Reil [10]3 years ago
5 0
12/15 = x/100
Multiply 12 x 100 to get 1,200/15 is 80.
Because 25 x 4 = 100, you divide 80 by 4.
Your answer is 20.
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