The sum of two numbers is 23.6 one is four times the other. find the numbers

4.72 and 18.88

Step-by-step explanation:

The sum of two numbers is 23.6 one is four times the other.

Let the numbers be x and 4x.

So,

x + 4x = 23.6

=> 5x = 23.6

=> x = 23.6/5

=> x = 4.72

The numbers are,

x and 4x.

= 4.72 and 4(4.72)

= 4.72 and 18.88

So, the two numbers are 4.72 and 18.88.

24

step-by-step explanation:

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5