Tutor profile: Katie H.
Find the area of a circle if the diameter is 20 cm.
The area of the circle is 314cm squared.
Jen is trying to figure out what grade she got on her test as a percentage. She got 16/29 of the questions correct. What percent of the questions did she get correct? Write a proportion and solve.
x/100 = 16/29 16*100 = 29x 1600 = 29x x = 55.17%
Jeff is buying groceries and new shoes for his son in his family. He spent a total of $157. He buys 4 weeks worth of groceries (and spent the same amount each week). He also bought one pair of shoes that cost $53. Write an equation and solve to determine approximately how much he spent each week on groceries.
4x + 53 = 157 4x = 104 x = 26 Jeff spent approximately $26 a week on groceries.
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