A wedding planner uses 72 IVs stems for 18 centerpieces when she arrives at the venue she realizes she will only need 16 centerpieces how many IVs Sam should she use so that the ratio of ivy stems to centerpieces stay the same

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

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