Y = 6.9x + 5.1.....multiply by 10 to get rid of decimals
10y = 69x + 51 ...subtract 69x from both sides
-69x + 10y = 51
Answer:
Infinitely many
Step-by-step explanation:
Answer:487.5
Step-by-step explanation:
if it is a 35% discount it means you are trying to find 65% of the number because 65+35=100%
to find 65%, you find 5% first, then multiply by 13 to get 65%.
to find 5%, you divide by 20.
750/20=37.5.
37.5*13=487.5
Answer:
=2.4x-4.4
Step-by-step explanation:
did the test
0.3(4x-8)-0.5(-2.4x+4)
=1.2x-2.4-0.5(-2.4x+4)
=1.2x-2.4+1.2x-2
=2.4x-4.4