S + a = 300...s = 300 - a
8s + 12a = 3200

8(300 - a) + 12a = 3200
2400 - 8a + 12a = 3200
-8a + 12a = 3200 - 2400
4a = 800
a = 800/4
a = 200 <==== 200 adult tickets

s = 300 - a
s = 300 - 200
s = 100 <=== 100 student tickets

8 0

4 years ago

Help me with this please?!This is a mathematics packet

bezimeni [28]

The y-intercept of this graph represents 20min

7 0

3 years ago

A phone sells for $245. It is now on sale for 20% off the original price. How many dollars off is the phone?

Marysya12 [62]

Answer:

B $49

Step-by-step explanation:

the answer want how much off right? then just take the 20% off × $245 =

$\frac{20}{100} \times 245 = 49$

20% = 20/100

6 0

3 years ago

7(5a-9)=100 umm..haha yeah HELP

Nataly [62]

I’m not sure what you want to find but if it’s for the answer for a in it’s exact form your answer will be 163/35 Hope this helps!

4 0

3 years ago