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bagirrra123 [75]
3 years ago
7

Leona answered all the questions on a test. She had 90% of them correct. There were 40 questions in all. How many did she have c

orrect?
\text{Explain with detail}
Mathematics
1 answer:
KengaRu [80]3 years ago
6 0

Answer:

The answer is 36

Step-by-step explanation:

Let the number be <em>x</em>

x/40 is her mark

she got 90% mark correct

x/40 x 100 = 90

by cancellation we get 9 x 4 = 36

HOPE THIS HELPS

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A school baseball team raised $810 for new uniforms.Each player sold 1 book of tickets.There were 10 tickets in a book and each
Leviafan [203]

Answer:

The school baseball team sold 270 tickets

Step-by-step explanation:

Step 1

Identify the total amount of tickets sold by each player;

1 player=1 book of tickets

But 1 book=10 tickets

Step 2

Express the total cost of ticket sales per book as follows;

total cost=cost per ticket×number of tickets per book

where;

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number of tickets per book=10

replacing;

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Step 3

Using the expression below, solve for the number of tickets sold

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where;

total amount raised=$810

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number of tickets sold=n

replacing;

810=3×n

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5 0
3 years ago
Fred buys a video game disk for 4$. there was a discount of 20%. what is the sales price?
enyata [817]
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Afina-wow [57]

Answer:

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Step-by-step explanation:

Assuming the equation not below is y = mx + b form...

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