Jack has 24 pennies, t as many 1 nickels and as many dimes. How much money does he have in all?

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Taina went to the toy store and spent $21.05 on a board game, $2.75 on coloring books, and $13.22 on a model airplane. about how much money did taina spend in the toy store?

Use the equation and type the ordered-pairs. y = 2 ^x