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<h3>a) Box of 10: </h3><h3> up = m ÷ ti </h3><h3> = $4.76 ÷ 10 Cookies</h3><h3> = $0.476 ~ $0.48</h3><h3 /><h3> Box of 25: </h3><h3> up = m ÷ ti </h3><h3> = $10 ÷ 25 Cookies</h3><h3> = $0.4</h3><h3 /><h3>b) Box of 10 - Box of 25</h3><h3> = $0.48 - $0.4</h3><h3> = $0.08</h3><h3 /><h3>THE BOX OF 25 COOKIES IS CHEAPER BY $0.08 PER COOKIE.</h3>
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12+2x-10=3x-5
12-10 +2x=3x-5
2+2x=3x-5
Move +3x to the other side. Sign changes from +3x to -3x.
2+2x-3x=3x-3x-5
2+2x-3x=-5
2-x=-5
Move +2 to the other side. Sign changes from +2 to -2.
2-2-x=-5-2
-x=-7
Multiply by -1 for -x and -7
(-1)(-x)=(-1)(-7)
x=7
Answer: x=7
Hey Dammy17,
Ok so what we need to do is "plug in" 2oz for x in the equation,
So, 0.6 (2) + 11 =
0.12 + 11= 11.12 oz is the finishing weight.