indices and proportion

Ben and Lago have some identical packets.

Ben has 20 of the packets.

The total weight of Ben's packets is 32 kg.

Lago has 25 of the packets.

Work out the total weight of Lago's packets.

• 4

• 40

• 44

• 24

Simplify (p³)²

• p²

• p⁵

• p⁶

• p⁹

Simplify_t⁸ ⁄_t³

• _t⁵

• _t^8/3

• _t³

• 5t

2³ × 2ⁿ = 2⁹

Work out the value of n.

• 3

• 6

• 7

• 4

Given that y ∝ , complete this table of values.

• 1, 2, 5,

• 20, 10,5,

• 10,5,2

• 2,10,15

• 5

• 9

• 15

• 45

y is proportional to x².

When x = 5, y = 100

Work out the value of y when x = 3

• 42

• 12

• 24

• 36