Solve the given proportion 7/x 21/6 x = [?] Enter
1 answer:
Answer:
x=2
Step-by-step explanation:
7÷x=22÷6
cross multiply
7×6=21×x
21x=42
21x/21=42/21
x=2
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Division is the opposite of multiplication.
Answer:
2x-3
Step-by-step explanation:
120 and 24 are the numbers
10% of 76.5 is 7.65
x3 to get 30% so 22.95
Take this away from original because discount
76.5-22.95=$53.55
