Ms. Ramos can buy 5 pens from her local shop for $2.75. She can buy 10 of the same pens on the Internet for $5.25. Ms. Ramos wants to buy 20 pens. How much will she save if she buys the pens on the Internet?
Hint: Find out how much each store charges for 20 pens. Then subtract the two answers.
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Ayanna and Makena wanted to see who jogs faster. Ayanna jogged 900 meters in 6 minutes. Makena jogged 620 meters in 4 minutes. How many more meters per minute did Makena jog?
Find the unit rate (divide larger by smaller for both problems) Subtract the two answers.
Dae and Eric are working together on a paper. Dae typed 333 words in 9 minutes, and Eric typed 252 words in 6 minutes. How many more words per minute did Eric type?
Hint: Find a common number for 6 and 9.
Subtract the two answers after making equivalent fractions.