Answer:
number b
Step-by-step explanation:
thuy should have written the ratio as 30/39
32/4=8/1
$8 for 1 person
the answer is 32.........
21kg
We will do this.
11x - 12 = 7x
11x - 4x = 7x
4x = 12
4x/4 = 12/4
x = 3
3 x 7 = 21
Laura weighs 21 kg.