Question

this is on ratios and proportions can u help me the question is

4/u = 28/35 <--- this is a proportion

Answer 1

Step-by-step explanation:

u = ?

4/u = 28/35

u × 28 = 4 × 35

÷ 7,

4u = 4 × 7

u = 4 × 7 / 4

u = 7

4 / 7 = 28 / 35