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3 years ago

14

Frank finished 65% of his math homework before dinner. If this amount represents 26 problems,How many problems will Frank need t

o complete after dinner.

1 answer:

Marysya12 [62]3 years ago

5 0

Frank has 9 more math problems.

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marin [14]

He spent $14.44 more on groceries this week than last week

<h3>How to determine the additional amount that was spent this week?</h3>

From the question, the given parameters are

Amount spent last week = $58.34

Amount spent this week = $72.78

The additional amount that was spent at the grocery store this week is calculated by subtracting the amount spent this week from the amount spent last week

This is represented as

Additional amount = Amount spent this week - Amount spent last week

Substitute the known values in the above equation

So, we have

Additional amount = 72.78 - 58.34

Evaluate the difference

Additional amount = 14.44

Hence, an additional of $14.44 was this week

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3 0

1 year ago

Hannah earned $1536 in 8 years on an investment at a 4% annual simple interest rate. How much was Hannah’s investment? $4800 $30

Nonamiya [84]

Simple interest calculates interest on initial amount only. The investment by Hannah was : Option A: $4800

<h3>How to calculate simple interest amount if rate of interest is R% annually?</h3>

Suppose that the initial amount of investment is P

And the rate of simple interest is R% annually,

And the time of investment is T years.

Then, the amount of simple interest is calculated as:

$I = \dfrac{P \times R \times T}{100}$

For the given case, let the initial investment Hannah made was of $P

Then, the time of investment is T = 8 years, R% = 4%, and given that Hannah earned interest I = $1536

Putting values in the above formula, we get;

$I = \dfrac{P \times R \times T}{100}\\\\1536 = \dfrac{P \times 8 \times 4}{100}\\\\P = \dfrac{153600}{32} = 4800$

Thus,

The investment by Hannah was : Option A: $4800

Learn more about simple interest here:

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5 0

3 years ago

8 out of every 14 children in a school are boys. What is the ratio of boys to girls in the school?

DochEvi [55]

Answer:

8:6

Step-by-step explanation:

If 8 out of 14 students are boys then the remaining number of students must be girls

So

14-8= 6

There are 6 girls out of the 14

So as a ratio of boys to girls

8:6

7 0

3 years ago

Read 2 more answers

If 4^(3x-2)=4^(x+1), then x=

chubhunter [2.5K]

Answer:

x = 3 /2

x=1.5

Step-by-step explanation:

7 0

3 years ago

A mason needs 22 bricks to make a stoop. So far he carried 15 into the site. How many more bricks must he carry

Bond [772]

22-15=7. Is that right?

8 0

4 years ago

Read 2 more answers