Write the equation and salue a) add 4 to one fourth of 20 B) if you take away5 from 15
times a number you get 50
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Answer:
(a) Add 4 to one fourth of 20.
⇒ 4 + 1/4 x 20
⇒ 4 + 5
⇒ 9
(b) If you take away 5 from 15 times a number you get 50.
Let the number be 'y'
⇒ 15y - 5 = 50
⇒ 15y = 50 + 5
⇒ 15y = 55
⇒ y = 55/15
∴ y = 11/3 = 3.666666666666667
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