Mathematics: Suppose three people ate a meal in a restaurant. the cost of each of their meals is m. one person intends to tip 10%, the second person intends to tip 15%, and the third person intends to tip 20%. which expression represents the total amount that they ll pay? a. 1.1m + 1.15m + 1.2m b. 0.1m + 0.15m + 0.2m c. 1.1m + 2.15m + 3.2m d. 1 + 0.1m + 1 + 0.15m + 1 + 0.2m

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Suppose three people ate a meal in a restaurant.

jrmhlocomotoguy510

11.03.2022

For this case we have:

m represents the total cost of each meal. If people do not pay a tip, the total cost to pay would be:

$m + m + m = 3m\\$

Person 1:

Without tip the cost of your meal is m.

You want to pay 10% tip

m -------------------> 100%

x --------------------> 10%

$x =\frac{(10)(m)}{100} = 0.1m\\$

Thus, its cost will be:

$C1 = m + 0.1m = 1.1m\\$

Person 2:

Without tip the cost of your meal is m.

m -------------------> 100%

x --------------------> 15%

$x =\frac{(15)(m)}{100} = 0.15m\\$

Thus, its cost will be:

$C2 = m + 0.15m = 1.15m\\$

Person 3:

Without tip the cost of your meal is m.

m -------------------> 100%

x --------------------> 20%

$x =\frac{(20)(m)}{100} = 0.20m\\$

Thus, its cost will be:

$C3 = m + 0.20m = 1.20m\\$

Thus, the total cost to pay will be:

$C = 1.1m + 1.15m + 1.20m\\$

C = 1.1m + 1.15m + 1.20m

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