3. A survey showed that 3 people preferred brand A for every 5 people that
preferred brand B. If a total of 27 people preferred brand A, how many
people preferred brand B?
preferred brand B. If a total of 27 people preferred brand A, how many
people preferred brand B?
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Answer:
45
Step-by-step explanation:
ratio = 3:5
3:5 = 27 : _____
multiply the inner terms. 27 × 5 = 135
then divide it by the outer term which is 3
135 ÷ 3 = 45
for checking:
3:5 = 27:45
3×45 = 5 × 27