219+159≤x≤369+309
The answer can then be simplified to
378≤x≤678
Since 1 km = 1000 m, the lawnmowers top speed would be 8000 m/h.
The answer is (-1,0) or x=-1 and y=0 :)
Answer:
The sale price is 
The expression is 
Step-by-step explanation:
we know that
The sale price is equal to subtract the discount price from the original price
The discount price is equal to multiply the original price by the percent discount in decimal form
Let
x ----> the sale price
y ---> discount price
----> percent discount in decimal form


substitute

therefore
the expression is

Do you mean how you can get 16 in a multiplication problem? Then the answer would be 2 times 8 which would equal 16. Hope this helped.