Question

Here are the types of sandwiches sold in a cafe last week.

Sandwiches
Tuna
Cheese
Chicken
Egg
56 tuna sandwiches were sold.
This was 40% of the total number of sandwiches sold.
(a) Work out the total number of sandwiches sold.

Answer 1

(a) 140 sandwiches

Explanation:

The total number sold can be found from the given relation:

56 sandwiches = 40% × total sold

__

Dividing by the coefficient of the variable, we find ...

total sold = (56 sandwiches)/0.40 = 140 sandwiches

The total number of sandwiches sold last week was 140.