Question

Work out the missing numbers:
a) 2.8 x ? = 3.92
b) ? x 1.7 = 2.21

Answer 1

a)
`\sf x = 1.4` b)
`\sf x = 1.3`

Let the missing numbers be x,

solving steps:

a)

`\sf 2.8 * x = 3.92`

`\sf x = (3.92)/(2.8)`

`\sf x = 1.4`

b)

`\sf x * 1.7= 2.21`

`\sf x = (2.21)/(1.7)`

`\sf x = 1.3`