All categories

3 years ago

elie is now 4 times as old as her son. in 5 years time shes going to be 3 times as old as her son. how old is ellies son now?

Mathematics

1 answer:

tigry1 [53]3 years ago

5 0

Answer:

Her son is 10 years old.

Step-by-step explanation:

Let son be x

Ellie is 4x

In 5 years time: Her son = x + 5

Ellie = 4x + 5

Given that she will then be 3 times as old as her son: 4x + 5 = 3(x + 5)

Solve x: 4x + 5 = 3(x + 5) ,4x + 5 = 3x + 15

x = 10

You might be interested in

Write in simplest form. 1/6 divided by 6 divided by 6

tensa zangetsu [6.8K]

Answer:

1/216

Step-by-step explanation:

I am pretty sure this is correct

you have to make the whole number 6 into a fraction 6/1

now it is 1/6 divided by 6/1 but you need to do KCF keep change flip

so now it is 1/6 times 1/6 and you get 1/36

then turn 6 into a fraction again

then KCF

Now it is 1/36 times 1/6 and you get 1/216

7 0

3 years ago

Tell whether the number is prime or composite 68,52,63, 75, 31, 77, 59, 87

Paha777 [63]

A prime number can only be divided by one oritslef and a composite number can bedivided by other njmbers.

7 0

3 years ago

Read 2 more answers

Find the distance between the points G (-5,4) and H (2,6)

Ann [662]

Formula $\sqrt({x} -x) ^{2}+(y-y) ^{2}$

6 0

2 years ago

A company has 10 trucks. A truck has 15 pallets. A pallet has 7 boxes. A box has 50 containers. A container has 3 plastic bags.

Oliga [24]

Step-by-step explanation:

5160 In two trucks they have a 50 specimen , 10 , 20

6 0

2 years ago

Write 2, 330, 000 in scientific notation?

Genrish500 [490]

Answer:

2.33 × 10^6

Step-by-step explanation:

I just used a calculator, to be honest. It was super simple.

2.33 * 10^6

2.33 * (10*10*10*10*10*10)

which then equals 2,330,000

6 0

3 years ago