Answer:
40 student 110 adult
this is using desmos
but to smash the equation you can go like basically we have to cancel out each variable to solve for the other
3x + 8y = 1000
x + y < =150
-3(x + y <= 150)
-3x -3y = -450
3x + 8y = 1000
5y = 550
y= 110
3x + 8 y = 1000
-8(x+y<=150) = -8x - 8y <= -1200
-5x = -200
x= 40
40 kids 110 adults
1. What is the total mass of the items in the wheel barrow?
9300g
2. What’s the mass of items, in kg, left in the barrow?
4.9kg
Answer:
QPR is 47
Step-by-step explanation:
I dont know the rest sorry
Answer:
24
Step-by-step explanation:
substitute the given values for a and z into the expression
- 3az
= - 3(- 2)(4) = 6 × 4 = 24