May 29 - June 2.

Grade 7 Problem of the Week May 29-June2

1. Solve. Show how you know.

a) 4z = 16 b) 8 + x = 12     c) 2d + 3 = 17

2. Write an algebraic equation for each situation. 

1. Peter wanted a new bike that costs $300. He has $180 in his savings. How much more does he need to get the bike? 

2. It cost Doug $75 to set up his business selling lobster pins. He charges $3 a pin.In his first week he made $120. How many pins did he sell?

3. Danny doesn’t know how much money is in his wallet when he goes to the store. He spends $6 on candy. Afterward, he finds out he has $7 left. How much did he have to start?

4. Six times a number plus 9 gives 75.

5. Four less than five times a number is twenty six.

3. Solve each equation from above and Verify your answer.