QUESTION : A family of four went out to dinner. Their bill came to $156.98 and they want to leave a 15% tip. How much the tip wi
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Answer:
The number of bagels is <u>11</u> and the cups of coffee is <u>12</u>.
Step-by-step explanation:
Given:
Keisha bought cups of coffee and bagels for the people in her office. Each bagel cost $2 and each cup of coffee cost $1.50.
Keisha spent a total of $40 to buy 23 items.
Now, to find the number of cups of bagels and coffee.
As given in question:
Let represent the number of bagels.
And represent the number of cups of coffee.
So, the total number of items:
......(1)
Now, the total money spent on items:
Substituting the value of from equation (1):
<em>Subtracting both sides by 46 we get:</em>
<em>Dividing both sides by -0.50 we get:</em>
<em>The number of cups of coffee = 12.</em>
Now, to get the number of bagel we substitute the value of in equation (1):
<em>The number of bagels = 11.</em>
Therefore, the number of bagels is 11 and the cups of coffee is 12.