Suppose you bought supplies. Three rolls of streamers and 15 party hats cost $30. Later, you bought 2 rolls of streamers ad 4 pa

Question

kakasveta [241]

3 years ago

14

Suppose you bought supplies. Three rolls of streamers and 15 party hats cost $30. Later, you bought 2 rolls of streamers ad 4 pa

rty hats for $11. Solve a system of equations to determine the cost of streamers and party hats, find their costs.

Mathematics

1 answer:

Zolol [24] · Answer 1 · 2022-03-08T02:06:10+03:00

Zolol [24]3 years ago

6 0

Since 30÷15 is 2 you now know each party hat is 2 dollars. Now we know that and we can easily find out how much a roll of streamer is. 11-(4x2)=3. 3÷2=1.5. One roll of streamer is $1.50 and one party hat is $2. I'm pretty sure I did this right lol I hope it helps