Three dress shirts at the big and tall store are priced at $79.99. how much will it cost to buy 5 shirts, assuming the unit price remains the same. use the problem solving tactics.

Can someone me with my hwplz(only the circled ones)

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.