What 2 mixed number can give the answer 13/3

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?