Question

Nicks

Nick's birthday party will cost $15 if he invites 5 guests. If there are 6 guests, how much will
Nick's birthday party cost? Solve using unit rates.

Answer 1

6 guests will cost $18.

Explanation:

If 5 guests cost $15

then find the unit rate by doing

15/5

which equals 3

which means each guest invite costs $3

Now 6x$3=$18

so if 5 guests cost $15, then by using unit rate it would cost $18 for 6 guests.

Answer 2

2.5

Explanation: