nicoleaaliyah
06.01.2020 •
Mathematics
Two glasses of milk and 3 snack bars have a total of 58 carbohydrates (carbs), and 4 glasses of milk and 2 snack bars have a total of 76 carbs. determine how many carbs are in one glass of milk and in one snack bar.
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Ответ:
14 carbs in milk
10 carbs in snack bars
Step-by-step explanation:
Glasses of Milk = m
Snack Bars = s
I am going to make this a system of equations:
2m + 3s = 58
4m + 2s = 76
I am going to simplify one of them for a s:
4m + 2s = 76
2s = 76 - 4m
s = 38 - 2m
I am going to insert this into the other equation:
2m + 3s = 58
2m + 3(38 - 2m) = 58
2m + 114 - 6m = 58
(-4)m + 114 = 58
(-4)m = -56
m = 14 calories
I am going to plug this m into one of the equations (doesn't matter which):
2(14) + 3s = 58
28 + 3s = 58
3s = 30
s = 10
You can plug these values back into each of the equations to make sure they work.
Hope it helps! (:
Ответ:
X=Son
X+30=Father
X+30=50
X=20
X+30=50
Step-by-step explanation:
Thanks it was an easy question