Molly opened a bank account. she deposited $86.50 into her account every month for 20 months. she used $24.50 every month to pay for singing lessons. after 20 months, she used 1 over 4 of the total money left in her account to go to a summer camp for singers. what is the total amount of money molly spent to go to the summer camp?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes