A cell divides every 30 minutes. If you start with one cell , how many cells will you have in 2 hours? Cells A cell divides every 30 minutes. If you start with one cell , how many cells will you have in 3 hours? Cells John plans to save $3.00 each week. He has already saved $11.00. How many more weeks will it take him to save $23.00? Weeks Printer ink costs $23.42 per cartridge if bought separately. If bought by the case of 24 cartridges,the cost per cartridge is only $19.53. About how much is the difference in cost of buying 4 cases than buying the same number of cartridges separately? $ Kelly received $12 in change from a cashier. She bought four books that were $7 each. How much did Kelly give the cashier? $ Megan has twice as many cookies as her brother Rick. Megan gives Rick 5 cookies. Now Rick and Megan have the same number of cookies. How many cookies did Rick have to begin with? Cookies The local library fine schedule for overdue books is as follows: 25 cents per day for each of the first three days; 10 cents per day thereafter Sandra paid a fine of $1.35. How many days overdue was her book? Days Justin has a cell phone plan that costs $25 per month plus $0.05 per minute for each minute he talks. How much will it cost Justin for the month of March if he talked for 120 minutes? $ Seventy-two students are 7th graders. That is 24% of the total. How many students are in the school? Students What is 6 more than the sum of 5 and 4? |