if you answer correctly ill give you :) (40pts total)

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.