Jazz estimates that a pole measures 6.86 cm. If it actually measures 7 cm, what is the percent error of Jocelyn’s estimate?

In Game 1, Eddy struck out 20 times in 80 times at bat.  In Game 2, he struck out 15 times in 100 times at bat.  In Game 3, Eddy struck out 40 times in 120 times at bat.

What percentage of times at bat did Eddy actually hit the ball?

A department store sells a pair of shoes with a 56% markup.  If the store sells the shoes for $280.80, then what is their non-markup price, rounded to the nearest dollar?

Eric found that about 40% of 70 classmates at school like hip-hop music. However, 80% of his 40 relatives like hip-hop. Which statement is true?

The directions on a sewing pattern say to cut an extra 12% of fabric to account for error. Chloe needs 0.9 yards of fabric to make a skirt, so she cuts 0.108 yard. Did Chloe cut the correct amount of fabric? Why or why not?

Which fraction has the same value as 37.5%

Dana measures and finds that she can do a vertical jump that is 34% of her height. If Dana can jump 17.68 inches, how tall, in inches, is she?

Elsa took out a 5-year loan to buy a car at a 4.25% simple interest rate. If she has to pay $1700 in interest over the life of the loan, how much principal did she borrow?