Question

- Por favor me ajudem

Answer 1

d)
12/8=33/x
3/2=33/x
3x=33.2
3x=66
x=66/3
x=22

11)
a)
4/x=14/21
14x=4.21
14x=84
x=84/14
x=6

x+y=21
6+y=21
y=21-6
y=15

b)
4/x=(4+9)/26
4/x=13/26
4/x=1/2
x=4.2
x=8

x+y=26
8+y=26
y=26-8
y=16