exam Maths Puzzle Numerical Ability

Find three consecutive whole numbers such that twice the sum of the two smallest numbers is 10 more than three times the largest number.
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exam Other Question

rewrite as a function of x:

-3x+4y=11
Totally confused. Please help

If the sides of a square are lengthened by 7cm, the are becomes 225cm^2. Find the length of a side of the original square.

Yje length of a side of the original square is ____cm.