write the equation and solve add 4 to one fourth of 20. b) if you take away 5 from 15 times a number you get 50
Answers
Answered by
13
Answer:
(a) 9 (b) 11/3
Step-by-step explanation:
(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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Answered by
4
Answer:
a 9
b) The number = 3.666666666666667
Step-by-step explanation:
a) 4 + 1/4 × 20
= 4 + 5
= 9
b) Let x be the number.
15x - 5 = 50
15x = 50 + 5
15x = 55
x = 55/15
x = 3.666666666666667
Check ⇒
15x - 5 = 50
x = 3.666666666666667
15 × 3.666666666666667 - 5 = 50
55 - 5 = 50
50 = 50
L.H.S = R.H.S
Hence, verified.
The answer is correct.
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