Guess and Check

1). On a test Julie had 7 times as many correct answers as wrong answers. There were 120 problems on the test. How many problems did Julie get right?

GuessNumber wrongNumber rightTotal
1
10
70
80

Answer: ______

2). "Cycle Center" has bicycles and tricycles. They have one more bicycle than tricycles. They have a total of 42 wheels. How many bicycles does "Cycle Center" have?
GuessNumber of bicyclesNumber of tricyclesTotal wheels
1
5
4
22

Answer: ______

3). On a test, I had 8 times as many correct answers as wrong answers. There were 243 problems on the test. How many did I get wrong?

GuessNumber wrongNumber rightTotal problems
1
20
160
180

Answer: ______