the perimeter of a rectangular wooden deck is 80 feet. the deck’s length is 20 feet less than 3 times its width. find the length of the wooden deck.

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

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?