3.2+7 what is the answer ?
2 answers:
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Answer:
- 80 restaurant purchased meals are eaten in a restaurant
- 31 meals are eaten in a car
- 60 meals are eaten at home
Step-by-step explanation:
Let us suppose r be the total number of meals eaten in a restaurant
Let us suppose c be the total number of meals eaten in a car
Let us suppose h be the total number of meals eaten in a home
- The total number of meals eaten in a restaurant, in a car or at home is given as 163. Hence,
- The total number meals eaten in a car or at home exceeds the number eaten in a restaurant by 11. Hence,
- Twenty more restaurant-purchased meals will be eaten in a restaurant than at home. Hence,
Substituting Equation [B] into [A],
Putting in
Putting and
in
Therefore,
- 80 restaurant purchased meals are eaten in a restaurant
- 31 meals are eaten in a car
- 60 meals are eaten at home
Verification:
Putting ,
and
in
<em>Keywords: number, equation</em>
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