You would solve this with multiplication. If each desk costs $24 and they bought 32 desks then to find out to total cost of all the desks you would multiply 24x32
Answer:
86
Step-by-step explanation:
Answer:
1. 
3. 
(undefined slope)
5. 
7. 
Step-by-step explanation:
slope (m)
rate of change (r)
1. m = 
3. m = 
(undefined slope)
5. m = 
7. r = 
Hope this helps!
They tricked me into signing into this site to get the answer, oonly to find out they didnt have it answered, click b8
Hi,
Let's say we need x mg from 1st compound, and y mg from 2nd compound.
0.20 × x + 0.40 × y = 40mg
0.30 × x + 0.20 × y = 30mg
0.20(x + 2y) = 40. => x + 2y = 200 => 2y=200-x
0.10(3x +2y) = 30. => 3x + 2y = 300
3x + (200 - x) = 300
2x = 100
x =50mg
50 + 2y = 200
2y = 150
y =75mg
