Question

Dominic and Candice are both selling cookie dough for a fundraiser. Although Dominic has already sold 5 tubs, Candice hasn't sold any yet. If Dominic starts selling 6 tubs per day and Candice begins selling 7 tubs per day, they will eventually sell the same amount of cookie dough. How many tubs will each sell? How many days will that take?

Answer 1

5 days, 35 tubs

Explanation:

We can create an equation.

Let d be the number of days it will take.

Note that in all Dominic will have sold 6d + 5 tubs, and Candice 7d.

So, if 6d - 5 = 7d then d = 5.

So, it will take 5 days, and each will have sold 6 * 5 + 5 = 7 * 5 = 35 tubs of cookie dough.