Answer:
25
Step-by-step explanation:
take the square root of 24^2+7^2
For this case we have a function of the form:
y = A (b) ^ x
Where,
A: initial amount
b: decrease rate
x: time
We have then:
b = 0.15
Therefore the percentage of decrease is:
(1-0.15) * 100 = 75%
Answer:
75%
option 3
Answer:
4.8 lbs
Step-by-step explanation:
Candied pecan price: $14.00
Candied Cashew price: $10.00
Mixture price: $12.50
Candied cashew weight: x lbs
Candied pecan weight: 8 lbs
Mixture weight: y pounds
The sum of the weights of candied pecan and candied cashew must equal the weight of the mixture. While the mixture weight multiplied by the mixture price must equal the sum of each individual candy's weight multiplied by its price:
Multiplying the firs equation by -10 and adding it to the second one, gives us the value of "y" which can then be used to find "x":
Therefore, the grocer would need 4.8 pounds of candy cashews to make the mixture.
I believe it is D. 3x + 5y = 1
please correct me if wrong :p