Because 5x6 is 30 that is plenty for 27 kids but 5x5 is only 25, that is not enough for 27 kids.
3X -3 => 9
3X => 9+3
3X => 12
3X/3 => 12/3
X => 4
tell me if you don't understand
B is 50 and A is all of them?
Answer:
935 = 6a + 3.5c (this is the amount that has been raised)
210 = a + c (this is this amount of the dinners being sold)
Step-by-step explanation:
so a = 210 - c
935 = (6 * (210 - c)) + 3.5c
6 * 210 is 1260, so:
935 = 1260 - 6c + 3.5c
2.5c = 1260 - 935
2.5c = 325
so c = 130
a = 210 - 130 = 80
We know that 80 adult dinners were sold.
We also know 130 child dinners were sold as well.
The surface area of the composite figure is 524 square meters
<h3>Surface area of a figure</h3>
The given composite figure is made up of a triangular prism and a rectangular prism. The surface area of the figure is given as:
Surface area = 2(16*5+5*4+16*4) + (16*6) + 2(50)
Take the sum
Surface area = 2(80+20+64) + 96 + 100
Surface area = 2(164) +196
Surface area = 328 + 196
Surface area = 524 square meters
Hence the surface area of the composite figure is 524 square meters
Learn more on surface area here: brainly.com/question/1297098
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