Respuesta :
Answer:
21 : 24
Step-by-step explanation:
Sum the parts of the ratio, 7 + 8 = 15 parts
divide 45 by 15 to find one part of the ratio
45 ÷ 15 = 3 ← value of 1 part of ratio, thus
7 parts = 7 × 3 = 21
8 parts = 8 × 3 = 24
45 divided in the ratio 7 : 8 is 21 : 24
