3 years ago

Age If you add Natalie's age and Fred's age, the result is 40. If you add Fred's age to 4 times

Mathematics

1 answer:

jolli1 [7]3 years ago

5 0

Answer:

Fred is 28 yrs old. Nathalie is 12yrs old

Step-by-step explanation:

Let Nathalie's age be x

Let Fred's age be a

x+a=40 yrs•••••1

4x+a=76yrs•••••2

a=40-x

Substitute a for 40-x in equation (2)

4x+40-x=76

3x=76-40

3x=36

x=12

a=40-12

a=28

You might be interested in

After a very successful year, Cheap-Rentals raised salaries by a scale factor of `\frac{11}{10\ }`. If Luan now makes $14.30 per

Soloha48 [4]

Answer:

$13

Step-by-step explanation:

Given that :

Increase in salary factor = 11/10

New salary = $14.30

Initial salary = x

To obtain the value of the initial salary,

The product of the scale factor by the initial salary sgiuf give the amoi tof the new salary

11 / 10 * x = 14.30

1.1x = 14.30

x = 14.30 / 1.1

x = $13

Hence.initial salary per hour = $13

4 0

3 years ago

The department manager recorded the number of sick days taken last year by each employee, as shown in the table. What is the mea

musickatia [10]

Answer:

4.42857142857 but since we are rounding to the nearest hundredth it would be 4.43

Step-by-step explanation:

You would add all the numbers together (7+4+2+6+4+5+3=31) then you would divide by the number or numbers there is (31 divided by 7= 4.42857142857) then round to the nearest hundredth (4.43000000000 = 4.3)

5 0

3 years ago

Order the following numbers from least to greatest. 180, 8, 9, 8.5, 762*

n200080 [17]

Answer:

8,8.5,9,180,762

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is something that multiplies everyday

klemol [59]

Answer:

the amount of work my teacher gives me.

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find a factor of 5, 15 and 25

kompoz [17]

a common factor of 5, 15 and 25 is 1 and 5

3 0

3 years ago