3 years ago

PLEASE HELP ME

Mathematics

2 answers:

kirill115 [55]3 years ago

8 0

Answer:

Step-by-step explanation:

rectangle A and B.

rectangle B is 8x12 and if you divide 8 and 12 by 4 you get 2x3

Svetlanka [38]3 years ago

3 0

Rectangle A and B.
rectangle B is 8x12 and if you divide 8 and 12 by 4 you get 2x3

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So I kinda forgot how to do this *nervous laughter* um help

natali 33 [55]

1) value of x =60

2) value of x = 3

Step-by-step explanation:

We need to use cross products to solve the proportions of x.

$1.\,\, \frac{3}{5}= \frac{x}{100}$

Solving:

$\frac{3}{5}= \frac{x}{100}\\Cross\,\,multiply\,\,:\\5x=3*100\\5x=300\\x=\frac{300}{5}\\x=60$

So, value of x =60

$2.\,\,\frac{x}{8}=\frac{7.5}{20}$

$\frac{x}{8}=\frac{7.5}{20} \\20x=7.5*8\\20x=60\\x=\frac{60}{20}\\ x=3$

So, value of x = 3

Keywords: Ratio and Proportions

Learn more about Ratio and Proportions at:

#learnwithBrainly

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