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daemonacoster
26.08.2019 •
Mathematics
Rocky family recipe for macaroni and cheese makes 4 servings of 310 calories each. rocky decided to make 1.5time the recipe. how many calories,are in rocky batch of mac and cheese
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Ответ:
310×4=1,240 calories altogether
Since any number times 1 is the number, you just focus on the .5
.5 is also
1,240×.5=620
1,240+620=1,860
There are 1,860 calories in the batch
This is the more deconstructed, longer way in doing it
So an easier way is simply multiply 1,240×1.5=1,860
Ответ:
0.08x=427.50
x=427.50/0.08
x=5343.75
x+x+1500=5343.75
2x=5343.75-1500
2x=3843.75
x=1921.88 first
1921.88+1500=3421.88 second