Answer:
There are 45 packets of biscuits
Explanation:
Ratio Actual
5 Sweets
3 Biscuits
8 120 Total
Make a proportion:
=
ratio on the left and actual on the right
=
x equals the unknown actual biscuit count.
8 x 15 =120, so solve for x by multiplying 3 by 15
x = 45