Which algebraic expression represents the phrase "seven more than half of a number"?
1 answer:
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Is means equal
of means multiplication
so
20 = 40% x a
40% = 40/100 = 4/10 = 2/5
So
20 = 2/5 x a
Multiply both sides by 5/2
20 x 5/2 = a
10 x 5 = a
a =50
So your final answer is
of means multiplication
so
20 = 40% x a
40% = 40/100 = 4/10 = 2/5
So
20 = 2/5 x a
Multiply both sides by 5/2
20 x 5/2 = a
10 x 5 = a
a =50
So your final answer is