Let x be the amount invested at 7%, leaving 30000-x to be invested at 9%.
The equation is
2320 = 0.07 x + 0.09 (30000 - x)
2320 = -0.02 x + .09(30000)
0.02 x = .09(30000) - 2320
x = ( .09(30000) - 2320) / .02
x = 19000
Answer: $19000 at 7%, $11000 at 9%
Check:
19000(.07)+11000(.09) = 2320, good
Answer:
The correct Answer to this question will be D, last option
Step-by-step explanation:
x = DVD boxes
y = Gaming boxes
3x + 1y = 48 pounds
Now lets count:
In the Last option we see that DVD boxes have the weight of 8 pounds per box so 3 times 8 = 24, In the last option we see that 1 gaming box weight's 24 pounds
now we add the pounds together 24 p + 24 p = 48 p
So the Answer to your question will be D ot the last option.
I hope it helped someone.
Can I have please have brainliest so people know what answer to choose)
Answer: Photo math can help you take a picture or type
Step-by-step explanation:
Answer:25.50
Step-by-step explanation:
Because .50 is in the hundreths, and it rounds up to that because it is above 5.