a+b=350 => a=350 - b
3a + 5b = 1450
3(350-b)+b=1450
1050-3b+5b=1450
2b=400
b=200
a=150
She used 1221 wrapping paper for 21 gifts, so to find the individual amount, you would do:
1221/21
She used about 58.143 ft² of wrapping paper for each gift.
Answer:
Step-by-step explanation: i think that u forgot the chart sorry i can not help
:(
Answer: (3, 6.3) and (7, 14.7)
Step-by-step explanation:
y = 2.1 x 3 = 6.3
y = 2.1 x 7 = 14.7
