1) Would be c+15 because you can combine 19-4
2) Would be m+2 because you can combine 12-10
4(8+1); Peter is adding one marker to each box so we add 1 to 8 first because of order of operations (PEMDAS). There are 9 markers in each of the four boxes, 9 x 4 is 36 markers total
Rational..............................
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➷ It would be 121212/202020
This can be simplified to 3/5
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Answer:2.25
Step-by-step explanation:it just is
