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Maths Puzzle
Numerical Ability
Thirty-one times the sum of two numbers is 2,790. The larger number is five times the smaller number. What are the numbers?
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I need HELP!
1. 6 = 2y - y + 4 4. 3(7 - 11) = y - 5
2. 4 - 9 = a - 1 + 14
3. -23 + 8 + x = -2 + 13
a(b+c)divided by y
a=2
b=-3
c=5.2
y=-1