Answer:
Step-by-step explanation:
Given
Orchestral = 
of music practice time
Required
Determine time spent on orchestral pieces
From the given parameters, we have:
Orchestral = of music practice time
Substitute 
for music practice time.
So, we have:
For the Jet one the answer should be 450 but its not on there
Answer:
Market price $400
Cost price $300
Step-by-step explanation:
MP: market price
CP: cost price
1. (MP x 0.9) - CP = 60
CP = 0.9MP - 60
2. MP - CP = 100
CP = MP - 100
0.9MP - 60 = MP - 100
MP - 0.9MP = 100 - 60
0.1MP = 40
MP = 400
Cost price = MP - 100 = 400 - 100 = 300
Answer:
4(c)- 3
Step-by-step explanation:
i chose this answer because if there are 4 tickets and each one is c(?) which is an unknown amount in this equation. First youd have to multiply 4 by c to find the total amount and since they are giving a discount of $3 you subtract $3 from the total.
Answer:
<h2><u><em>
17/12</em></u></h2>
Step-by-step explanation:
x - 3/4 = 2/3
x = 2/3 + 3/4
x = 17/12
----------------
check
17/12 - 3/4 = 2/3
the answer is good
