Red and grey bricks were used to build a decorative wall. There were 140 bricks used in all. How many red bricks were used?

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milfmobb2k15 milfmobb2k15

17-11-2017
Mathematics

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Red and grey bricks were used to build a decorative wall. There were 140 bricks used in all. How many red bricks were used?

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RiniBounce RiniBounce · Answer 1 · 2017-11-17T18:53:31+01:00

if your using variables, it could be with greater than or equal to signs involved such as: 150 ≤ r The variable "r" standing for the number of red bricks :) hope this is what you were looking for