Answer:
4 : 5
Step-by-step explanation:
boys : girls
12 15
Divide each by 3
12/3 : 15/3
4 : 5
Answer:
32 weeks.
Step-by-step explanation:
Let w represent number of weeks.
We have been given that the new plan will have the office recycling 1 kilogram of paper each week. So kilograms of paper recycled in w weeks would be
.
We are also told that Toby's office had already recycled 7 kilograms. So total kilogram of paper recycled in w weeks would be
.
Since Toby's office has to recycle a total of 39 kilograms of paper, so we will equate 39 with paper recycled in w weeks as:



Therefore, it will take 32 weeks for Toby's office to recycle a total of 39 kilograms of paper.
Answer:
y=-3.667
x=
Step-by-step explanation:
-4(10y-59)+10y=86
30y+196=86
30y=-110
y=-3.667
Answer:
x=2
Step-by-step explanation:
x^2+10x+24=0
12x=24=0
12x=24
x=2
My math is rusty so this may not be the right answer.