Question

help

Answer 1

number 11

Answer 2

@AZ

Answer 3

All the sides are proportional

Answer 4

use the proportionality of corresponding sides

Answer 5

so, if you first wanted to find x
you could do x/4 = 15/12
then solve for x

Answer 6

15/12=1.25

Answer 7

ummm, ig you could do that for this one, since it's rational...
but it would be better to cross-multiply
but anyways
so x/4 = 1.25
1.25 times 4 is...

Answer 8

5

Answer 9

great

so now for y
you could write,
4/3 = 12/y
cross multiply
\[4/3 = 12/y\]

Answer 10

4/3=1.33

Answer 11

CROSS MULTIPLY
*emphasis

Answer 12

4*y=3*12
what is 3*12?

Answer 13

36

Answer 14

okay
so 4y=36
y=...?

Answer 15

\(\color{#0cbb34}{\text{Originally Posted by}}\) @snowflake0531
4*y=3*12
what is 3*12?
\(\color{#0cbb34}{\text{End of Quote}}\)
good job

Answer 16

so dived by 4

Answer 17

yes, divide 36 by 4

Answer 18

9

Answer 19

yes
so there's your y!