exam Maths Puzzle Numerical Ability

a steak has thickness w inches. Let T be the time it takes to broil steak. It takes 12 minutes to broil a one inch thick steak. For every additional inch of thickness, the steak should be broiled for 5 more minutes. Wrie an equation for T in terms of w.

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exam Other Question

rewrite each equation as a function of x.
-3x +4y = 11
how many solutions are there to |x+2| = 14
a. 1
b. 2
c. -16
d. none of the above