Answer:
y=-5x/4x+-5/2
Step-by-step explanation:
-5x-4y=10
add 5x to 10
-4y=5x+10
divide -4 with 5x and 10
y=-5/4x+-5/2
You will need to know how much each lunch cost
so
9.40 <span>÷ 4 = 2.35
so each lunch cost 2.35 dollars
now we need to find out how much it will cost for 10 lunches
10 x 2.35 = 23.5
so for 10 lunches it will cost 23.5</span>
Answer:
106
Step-by-step explanation:
just subtract 243-137