Pixie Stick

Mathematics

4 February, 17:43

In bowling, knocking down all of the pins with the first ball.

of a frame is called a strike. Roni is practicing bowling and

gets a strike 2 times out of 10 attempts. Her goal is to

have a minimum strike rate of 50%. Which inequality

could Roni use to determine the minimum number of

consecutive strikes she needs to achieve her goal?

A. x+10/x+2 greater than or equal to 0.50

B. x+10x/x+2x greater than or equal to 0.50

C. x+2/x+10 greater than or equal to 0.50

D. x+2/x+10 greater than or equal to 0.50x