exam Maths Puzzle Numerical Ability

Jacob has a box of bills. There are five more $10 bills than $5 bills, but two less $2 bills than $5 bills. He saved $148. How many of each bill did he save?

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exam Other Question

compute and simplify the difference quotient
f(x+h)- f(x), h can not =0
____________
h all the problem is over h

a. g(x) = 6x2 +10x-1 the 6x is squa
1/5k+5=1/6k-10