IV. Solve the following word problems.
1.) Maymay can solve 25 problems in 20 minutes. In how many minutes can she solve 30 problems?
(direct proportion)
2.) Two numbers are in the ratio of 5:7. If the sum ls 168, find the bigger number. (partitive proportion)
3.) Forty percent of the 25 customers5r who came this morning are adults and the rest are teens. How
many customers are adults? (solve for percentage)
4.) 40% of N is 60. What Is N? (solve for base)
5.) 40 is what percent of 50. (solve for rate)​