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Solnce55 [7]
3 years ago
13

Please Help ASAP! I suck at geometry :(

Mathematics
2 answers:
ZanzabumX [31]3 years ago
8 0

We know that for every 5 red bricks there were 2 gray bricks.

The total amount of red bricks and grey bricks in this sample is 7.

5 red bricks + 2 grey bricks = 7 bricks

Now, we divide 175 "total number of bricks used" by 7 "5 red bricks + 2 grey bricks = 7 bricks" and we will get a quotient of 25.

Now we know that 25 bricks is \frac{1}{7} of the wall. The gray bricks are \frac{2}{7} so we can multiply 25 by 2 and we will get a product of 50. If 1/7 = 25 grey bricks so 2/7 would be the grey bricks.

175 - 50 = number of red bricks.

Therefore, there were 125 red bricks.

bekas [8.4K]3 years ago
6 0
There were 125 bricks knowing that for every 5 bricks there are 2 gray bricks
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