at a local grocery store, a bottle of water costs 1.25 . At a baseball stadium, the cost of a bottle of the same brand water increases by 80%. What is the cost of a bottle of water at the stadium in dollars and cents?

Soluzione

Soluzione

Amount after addition : 2.25

Fasi della soluzione

Translate the problem into an equation:

x = 1.25 + 0.8 \cdot 1.25

x = 1.25 + 0.8 \cdot 1.25 : x = 2.25

Amount after addition : 2.25

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