4 years ago

Two numbers are in the ratio of 3:4. If 9 is subtracted from their sum, the result is 40. What is the greater number?

Mathematics

1 answer:

nikklg [1K]4 years ago

6 0

Answer:

H.28

Step-by-step explanation:

x : y = 3 : 4

=> 4x=3y => x=3y/4 -----(1)

(x+y)-9=40

=>x+y=49

using (1)

3y/4 +y= 49

y=28

substituting y in (1)

x=21

hence 28 is greater.

You might be interested in

What is the LCM of 37 and 12?

artcher [175]

$37|37 \\ 1 \\ \\ 12|2 \\ 6 \ |2 \\ 3 \ |3 \\ 1 \\ \\ 12=2^2*3 \\ \\ L.C.M(37;12)=444$

6 0

4 years ago

Reduce to the lowest terms by canceling -14/9 times -3/7

maksim [4K]

Answer:

2/3

Explanation:

Given the below;

$\frac{-14}{9}\times\frac{(-3)}{7}$

We can see from the above that 9 is divisible by 3 and that 14 is divisible by 7, let's go ahead and reduce to the lowest term as shown below;

$\frac{-14}{9}\times\frac{(-3)}{7}=\frac{-2}{3}\times\frac{(-1)}{1}=\frac{2}{3}$

5 0

1 year ago

Melania has two jobs. During the day she works as an office clerk, and in the evening she works as a cashier. Her office job pay

Wittaler [7]

Answer:

Office clerk: 22 hours; cashier: 16 hours

Step-by-step explanation:

6 0

3 years ago

Jasmine can oil the lanes in a bowling alley in 10 hours. One day her friend joe helped her and it only took 4.44 hours. Find ho

uranmaximum [27]

Jasmine's rate is 1/10 alleys per hour

Together their rate is 1/4.44 alleys per hour.

Joe's rate must be

1/4.44 - 1/10 = 139/1110 alleys per hour

It would take Joe

1110/139 ≈ 7.99 hours to do an alley alone.

Let's call it 8 hours.

6 0

3 years ago

A half + a quarter , HELP PLZ RNN

AfilCa [17]

Answer:

Three quarter

Step-by-step explanation:

;]

8 0

3 years ago

Read 2 more answers