Question

a snack stand sells bottles of water for 1.35 each cell needs to buy as many brothers as he can he can spend no more than $20 how much money will Sam have left after he buys the bottles of water

Answer 1

ANSWER

B) $1.10

EXPLANATION

First we have to find how many bottles he can buy without spending more than $20.

Let 'x' be the number of bottles:

$1.35x\le20$

Divide both sides by 1.35 to solve for x:

$\begin{gathered} x\le\frac{20}{1.35} \\ x\le14.815 \end{gathered}$

Remember that x is the number of bottles, so it has to be a whole number. What's the next integer less than 14.815? The answer is 14, so this means that Sam can buy 14 bottles with $20 and he will have some money left.

To find how much money he'll have left we have to subtract the cost of 14 bottles to the $20 he has:

$20-14\cdot1.35=20-18.90=1.10$

Therefore he'll have $1.10 left.