Find each percentage of 75 what is 1 percents of 75

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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.

15 liters is approximately how many gallons