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AlladinOne [14]
3 years ago
5

Mrs. Reeds collects rocks. Each rock in her collection weighs about 4 ounces. Her collection weighs about 12 pounds in all. Abou

t how many rocks are in her collection?
Mathematics
1 answer:
frozen [14]3 years ago
7 0

Answer:

48 rocks

Step-by-step explanation:

there are 4 rocks in one pound since each rock weighs 4 ounces so 4 times 12 equals 48

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An appliance store sells lamps at $95.00 for two. A department store sells similar lamps at five for $250.00. Which store sells
snow_tiger [21]

Answer:

Appliance store has better rate than department store.

Step-by-step explanation:

Appliance store gives 2 for $95

So price of 1 will be = 95/2 = $47.5

Department store sells 5 for $250

So price of 1 will be = $250/5 = $ 50

So as a buyer we are in profit when buy from appliance store because we are at a profit of $2.5 per lamp.

I hope it will help you!

5 0
3 years ago
Kayla works in a department store selling clothing. She makes a guaranteed salary of $300 per week, but is paid a commision on t
Greeley [361]

Answer:

$353.75

0.05x + 300

Step-by-step explanation:

1075 x 0.05 = 53.75 + 300 = 353.75

0.05x + 300

5 0
3 years ago
Find the value of Y <br><br> A. 4 √3<br><br> B. 16 <br><br> C. 8 √3 <br><br> D. 8
melomori [17]

Step-by-step explanation:

By Geometric mean property:

{y}^{2}  = 4 \times 12 \\  \therefore \:  {y}^{2}  = 48 \\ \therefore \:  {y} =  \sqrt{48}  \\ \therefore \:  {y} =  \sqrt{16 \times 3}  \\ \huge \red{ \boxed {\therefore \:  {y} =  4\sqrt{3} }}

Thus, option A) 4√3 is the correct answer.

7 0
3 years ago
Carmen spent $18 on fruit at the grocery store. She spent a total of $45 at the store. What percentage of the total did she spen
gladu [14]
All we have to do is divide the money she spent on fruit by the total and multiply that by 100.
18÷45
.4×100
40
So, Carmen spent 40% of her money on fruit.
6 0
3 years ago
Liam wants to save $6,265 to purchase a car. if $4,000 is deposited into an account at 7.5% interest, compounded monthly, how ma
timurjin [86]
To solve for time taken we use the compound formula:
A=P(1+r/100*n)^(n*t)
where:
A=future value
P=principle
r=rate
t=time
n=number of terms

6265=4000(1+7.5/(12*100))^(12t)
solving for t we get
1.56625=1.00625^12t
12t=72.0136
t=6.00 years
Answer: 6 years
5 0
3 years ago
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