Step-by-step explanation:
the first option is the correct answer.
9/7 because of order of operations
{ 5 x - y = 20
2 x + y = 15
_____________
7 x = 35
x = 35 / 7
x = 5
For y :
2 x + y = 15
2*(5) + y = 15
10 + y = 15
y = 15 - 10
y = 5
Answer A ( 5,5 )
hope this helps!
Answer: A
If he has 15$ then he could spend all of it on the colored pencils, so there has to be a black dot on 15, & if he could buy the colored pencils less than 15$ then it has to be a black dot on 15 & an arrow pointing to less than 15
I hope this answers your question
Answer- D) 135 miles
81 ÷ 3= 27 miles
27×5=135 miles
Hope this helps! ;)