A mixture of Green paint has 7 teaspoons of silver paint and 21 teaspoons of gold paint. To make the same shade of Green paint using 42 teaspoons of gold paint, how many teaspoons of silver would you need?

How do i put 3(x+7) in distributive property

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

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.