Question

The numbers ratio 1:2:3. If the smallest is 20x + 21. What is the sum of the three numbers? Choose from the choices below?
o 60x + 63
o 120x + 126
o 40x + 42
o 120x + 63

anotherr question need ans rn po

Answer 1

Answer:

this is the answer

thank you

Answer 2

Answer:

Smallest Number = (20x + 21)

Middle Number = 2(20x + 21)

Largest Number = 3(20x + 21)

So,

(20x + 21) + 2(20x + 21) + 3(20x+21)

(20x + 21) + (40x + 42) + (60x + 63) [a(b+c) = ab + ac]

(Rearranging)

(20x + 40x + 60x) + (21 + 42 + 63)

120x + 126

So, the answer is (b)