Answer:
The small box contains 21 cans
<em></em>
Step-by-step explanation:
Represent the small box with S and the large with L.
For Estelle:
For the boy:
Required
Determine the cans in the small box
--- (1)
--- (2)
Divide (2) through by 4
Make L the subject
Substitute 46 - S for L in (1)
Open bracket
Collect Like Terms
Divide both sides by 2
<em>Hence, the small box contains 21 cans</em>