A coffee shop sells regular coffee in three sizes. The table shows the sizes of each regular coffee sold throughout the day. Wri
te and solve a system of equations to determine the price of each regular coffee.
a) bajo: $1.60; mediano: $1.82; grande: $2.00
b) bajo: $1.61; mediano: $1.77; grande: $2.03
c) bajo: $1.62; mediano: $1.80; grande: $2.03
d) bajo: $1.65; mediano: $1.79; grande: $2.07
1 answer:
Answer:
c) bajo: $1.62; mediano: $1.80; grande: $2.03
Step-by-step explanation:
Insert numbers from the table into a linear equation (ignore time column) and use Cramer's Rule.
55x+53y+54z=299.12
17x+22y+25z=117.89
30x+23y+29z=148.97
x, bajo = 1.62
y, mediano = 1.8
z, grande = 2.03
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