13.Adam Basset wants to know the amount by which his service charge has increased before he receives his bank statement. In the past, the service charge has been $5.00. His previous balance was $619.83. He had $398.50 in deposits, $471.63 in withdrawals, and $2.50 in interest earned. If his present balance is $540.70, by what amount did his service charge increase?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.