Answer-
~The answer is 40 gold notebooks~
(Thank me later~)
A. 6x-y=1 can go to 6x-y-1=0 and then 6x-1 = y
Answer: 
Step-by-step explanation:
Given : A man earned x pesos in 10 days and spent y pesos during each of those days.
i.e. Total earning in 10 days = x
Earning per day =
[By unitary method] (1)
Money spent per day =y (2)
We know that

i.e. Subtract (2) from (1), we get

Hence, the expression to determine how many pesos he saved per day will be:-

Answer:
A:30
Step-by-step explanation:
because 3+2(the ratio) =5
75(the total number or both) divide by 5
so 1 ratio=15
15 x 2(the ratio of dogs)
=30
Answer:
tell martha to buy huwei matebook x 2020 , its a good one
Step-by-step explanation: