Question

1. Show that: 20, 40, 55, 60 are in proportion​

Answer 1

Answer:

no this is not in proportion ..

because

let's see

Step-by-step explanation:

• product of extreme value = 20 × 60

= 1200

• product of mean value = 40× 55

= 2200

• ratio of 20 : 40 : : 55 : 60

mark me as brainliest..