1. i) Navja weighs a parcel with mass $w$kg on her scales. She uses the masses shown to balance the scales.

Work out the value of $w$.

$w$ = ................................................. [3]

ii) Sometimes Navja uses an electronic weighing machine. The machine gives the mass, $p$ kg, of a parcel as 12.4kg, correct to the nearest 100g.

Complete this statement about the value of $p$.

.................. $⩽p<$ ................... [2]