Which answer choice rounds to the same number when rounded to the nearest ten and the nearest hundred? a) 496 b) 561 c) 712 d) 977

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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 f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=