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Fantom [35]
3 years ago
14

Lester's Cafe offers two kinds of espresso: single-shot and double-shot. Yesterday afternoon, the cafe sold 80 espressos in all,

80% of which were single-shot. How many single-shot espressos did the cafe sell?
Mathematics
2 answers:
butalik [34]3 years ago
8 0

Answer:

64

Step-by-step explanation:

80% of 80 were single-shots

80/100 × 80

64

bogdanovich [222]3 years ago
7 0

Answer:

64 single-shot espressos

Step-by-step explanation:

Let's say that the cafe sold x single-shot espressos. The total number of espressos sold was 80, and 80% of that total 80 were single-shot. So, we have the equation:

x = 80% * 80

Remember that % just means "out of 100". So, 80% = 80/100:

x = (80/100) * 80 = 6400/100 = 64 single-shot espressos

Hope this helps!

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Step-by-step explanation:

Find the measure of the angle COA. By angle addition postulate,

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80^{\circ}=m\angle COA+40^{\circ}\\ \\m\angle COA=80^{\circ}-40^{\circ}=40^{\circ}

Find the measure of the angle BOA. By angle addition postulate,

m\angle BOX=m\angle AOX+m\angle BOA

From the diagram,

m\angle BOX=60^{\circ}\\ \\m\angle AOX=40^{\circ},

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m\angle COX=m\angle BOX+m\angle COB

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