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lora16 [44]
2 years ago
12

30% of___ is 15 ?????

Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
7 0

Answer:

15 is 30% of 50

Step-by-step explanation:

We have, 30% × x = 15

Multiplying both sides by 100 and dividing both sides by 30,

we have x = 15 × 100/30

x = 50

If you are using a calculator, simply enter 15×100÷30, which will give you the answer.

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Max ran two miles each day for 4days. Then he ran 3 miles each day for the next 4 days. How many miles did Max run altogether in
svp [43]
4 days • 2 miles = 8 miles
4 days • 3 miles = 12 miles
8 miles + 12 miles = 20 miles in total for all 8 days
8 0
3 years ago
The equation for a circle is (x + 2)2 + (y – 5)2 = 9.
Harlamova29_29 [7]
The radius is 3 and x is -2 and y is 5


radius can be found if you take the square root of the number in ending of the equation =9


x is the number that’s make x’s part zero
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6 0
3 years ago
Read 2 more answers
#if a sum become rs 6480 in 3 years and rs 7776 in 4 years interest being compounded annually, find the sum and rate of interest
Andrei [34K]

Answer:

The rate of interest is 20% and the sum is $3,750

Step-by-step explanation:

In order to calculate the sum and rate of interest we would have to make the following calculation:

rate of interest= (sum in 4 years-sum in 3 years)*100/sum in 3 years*1

According to the given data we have the following:

sum in 4 years=$7,776

sum in 3 years=$6,480

Therefore, sum in 4 years-sum in 3 years=$7,776-$6,480=$1,296

Therefore, rate of interest=$1,296*100/$6,480*1

rate of interest=20%

To calculate the sum we would have to make the following calculation:

FV=PV(1+20%)∧3

$6,480=PV(1,20)∧3

PV=$3,750

Sum is $3,750

8 0
3 years ago
What is the least common multiple of 441 and 1008
topjm [15]
7056. 1008 x 7 = 7056. 7056 / 441 = 16
4 0
3 years ago
this week luiz made 80% of what he made last week if he made $72 this week how much did he make last week?
kvv77 [185]

Answer: He made $90 last week.

Assumption :

Let, Luis made $X last week.

He made $72 this week which is 80% of $X that he made last week

⇒ X * 80% = 72

⇒ X * 80/100 = 72

⇒ X = (72 * 100)/80

⇒ X = 90

Therefore, he made $90 last week.

To remember :

While solving this type of problems, be careful to understand which one of last time and current time is not given; just assume that one and input other conditions, the problem will be solved.

8 0
2 years ago
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