SUMMER MATH CURSE SUMMER OF 2017 BY HELEN KRASNITSKY
Question 1 I wanted to make a dollar out of pennies. I had 18/50 of all pennies. What fraction of pennies do I still need to make a dollar?
Question 2 I had an hour to swim in the pool. 0.50 of the hour passed. How much time do I have left?
Question 3 I watched the solar eclipse last month. I got to see 75% of the eclipse. How many percent did I miss?
Answers Question 1 Question 2 Question 3 18/50×2=36/100 .50=half an hour 100%-75%=25% 100/100-36/100=64/100 1.00-.50=.50 64/100÷2=32/50 .50=30 minutes I need 32/50 of pennies I have left 30 minutes I missed 25% of the to make a dollar. to swim in the pool. solar eclipse.