when the digits are reversed, we get 36 more
than the number. Find the original number.
14. The sum of the digits of a two-digit number is 10. The number is decreased by 36 if the digits are reversed. Find
the original number.
15. The sides of a triangle are 3x + 7, 4x - 3 and 5x + 3. Find the sides of the triangle if its perimeter is 55 units.
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Step-by-step explanation:
15.
The sides of a triangle are 3x + 7, 4x - 3 and 5x + 3.
its perimeter is 55 units
3x + 7+ 4x - 3 + 5x + 3 = 55
12x = 55 -7
12x = 48
X= 4
3x+7= 3 X 4 + 7= 19
4x-3= 4 X 4-3=13
5x+3= 5 X 4 +3= 23
required sides of triangle are:
19 units, 13 units, 23 units
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