exam Maths Puzzle Numerical Ability

base of a rectangle=10 m and the height is 7m.What is the perimeter dilated to half the size?
I appreciate your help.

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exam Other Question

State the zero for the function. f(x)= 4x+12 Use the two forms of work equations below to find t.
Equation 1:

1/50 + 1/59 = 1/t

Equation 2:

t/50 + t/59 = 1

Can someone show me how to do this?