Try solving for the variable and get everything to one side
Step-by-step explanation:
you need to substitute the x in (7x +2y=13) with (x=2y+11) to solve it
Answer:
2.5 minutes per quesiton
Step-by-step explanation:
75 minutes to take 30 quesitons means you divide the time equally so
75/30
Answer:
8 roses
Step-by-step explanation:
roses cost about 4 dollars, and 8 times 4=32