The sum of a number and 6% of itself is 42.4. find the number
2 answers:
Answer:
40
Step-by-step explanation:
6% of number = 6/100 × x = 6x/100 = 3x/50
Sum of the number and 6% of itself = 42.4
x + (3x/50) = 42.4
(50x+3x)/50 = 42.4
53x = 42.4 × 50
53x = 2120
x = 2120/53
x = 40
Answer:
The answer is x = 40
Step-by-step explanation:
6% of a number is 6/100 * x
Of means multiply.
so 6% of x = 6/100 * x = 6 * x / 100 = 0.06x
Now just put these two together.
x + 0.06x = 42.4 Combine the left
1.06x = 42.4 Divide by 1.06
x = 42.4 / 1.06
x = 40
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