Answer:
She can finish 4 puzzles.
Step-by-step explanation:
3/4+3/4=1 1/2
1 1/2+ 1 1/2= 3(hours)
That means that there are four 3/4s and that also means she does 4 puzzles in 3 hours.
Hope this helps!^_^
Answer: 28
Step-by-step explanation: 2x+x=42 (equation i used to solve for Cody)
2x+x=42 (add the similar elements)
3x=42
(divide both sides by 3)
x=14 (cody)
Zane has twice the amount so double 14 to get 28
Answer:
Step-by-step explanation:
The gradient is the the slope of the equation.
5x - 2y = 12
Making y as subject of formula
2y = 5x - 12
Dividing through by 2
y = 5x/2 - 12/2
y = 5x/2 - 6
And comparing with y = mx + c
Where m is the slope = 5/2
Answer:
The cost per person is 27.98 anything over the first 20 people go to 23.50
Step-by-step explanation:
909.50-557= 352.50
352.50 / 15 = 23.50