Question

Kate wants to post 3 parcels each parcel costs 1.20 pounds to post how much change should she get from a 10 pound note

Answer 1

Answer:

6.40 pounds

Step-by-step explanation:

let the change she should get be X

if cost of posting a parcel is 1.20 pounds

then cost of posting 3 parcels will be 3.60 pounds.

so,

$x = 1 0 - 3.60 \\ x = 6.40 \: pounds$