The addition equation 1 is 5/8 + 3/8 = 1 and the addition equation 2 is 1.5 + 1.25 = 2.75
How to determine the addition equations?
Kelly's coffee drink
The given parameters are:
Coffee cup = 1
Amount drank = 5/8
The amount left is calculated as:
Amount drank + (Amount left) = Coffee cup
So, we have:
5/8 + (Amount left) = 1
Evaluate the like terms
Amount left = 3/8
Substitute Amount left = 3/8 in 5/8 + (Amount left) = 1
5/8 + 3/8 = 1
Hence, the addition equation is 5/8 + 3/8 = 1
Dante's Recipe
The given parameters are:
Cookie = 1.5 sugar
Brownie = 1.25 sugar
The amount of sugar needed is calculated as:
Amount needed = Cookie + Brownie
So, we have:
Amount needed = 1.5 + 1.25
Evaluate the like terms
Amount needed = 2.75
Substitute Amount needed = 2.75 in Amount needed = 1.5 + 1.25
1.5 + 1.25 = 2.75
Hence, the addition equation is 1.5 + 1.25 = 2.75
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