Well 7+5= 12. 12/6=6. 6+10=16. 16 by the power of two is 256
Answer:
y = - 7
Step-by-step explanation:
Given
8y + 35 = 3y ( subtract 3y from both sides )
5y + 35 = 0 ( subtract 35 from both sides )
5y = - 35 ( divide both sides by 5 )
y = - 7
The function for the amount saved if they purchase a used drone rather than a new drone from Jim's store is f(x) = 0.45x
He sells used drones at 70% of the price (x).
So, the selling price of a used drone is:

Express percentage as decimal


Also, he sells new drones at 15% more of the price (x).
So, the selling price of a new drone is:

Express percentage as decimal



The amount saved is the difference between the prices of the drones.
So, we have:

This gives

Subtract

Express as a function

Hence, the function for the amount saved is f(x) = 0.45x
Read more about proportions at:
brainly.com/question/13114933
The value has decreased because the amount he gets in Canadian dollars has decreased for the exact same amount he has in yuan.
I.e. Before: 12000/6.64 = 1807.23 Canadian dollars
Present: 12000/6.78 = 1769.91 Canadian dollars