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Gennadij [26K]
3 years ago
6

Solve the proportions

Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0

Hey there! I'm happy to help!

NUMBER 1

This is a trick to solve any proportion.

Multiply the diagonal numbers.

5(16)=80

Divide by the number that isn't the one you want to find.

90/8=10

And you are left with the number you haven't touched. We haven't touched x, so x=10.

NUMBER 2

Cross multiply.

45(-50)=-2250

Divide.

-2250/3=-750

So x=-750.

QUESTION 3

4(27)=108

108/12=9

So x+3=9, subtract 3 from both sides x=6.

Have a wonderful day! :D

sasho [114]3 years ago
5 0

Answer:

1.x = 80/8= 10

Step-by-step explanation:

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