2a + 3b = 6 --> Equation 1
5a + 2b = 4 --> Equation 2
Equation 1 * 5 --> 10a + 15b = 30
Equation 2 * 2 --> 10a + 4b = 8
Equation 1 - Equation 2 --> 11b = 22 --> b = 2
Sub b=2 in Equation 1 (or 2, either works):
2a + 3b = 6
2a + 3(2) = 6
2a + 6 = 6
2a = 0
a = 0

b = 2, a = 0

5 0

3 years ago

Read 2 more answers

Martia orders 12yd of material to make banners. If she needs 1 foot of fabric for each banner, how many banners can she make?

SOVA2 [1]

You can make 36 banners. there are 3 feet in 1 yard so if you multiply 12 and 3 you get 36

4 0

3 years ago

identify the type of proportion and solve the problem. rose bought 8 bags at 880. if rit buys 12 of such kind of bags, how much

salantis [7]

Answer:

1320