Answer:
30x-18
Step-by-step explanation:
(6)(5x+−3)
=(6)(5x)+(6)(−3)
=30x-18
7. 8125 l
256 km ....... 20l
100 km ...........x l
x = 100×20/256
= 7. 8125 l
21
are you dumb?
12
Factors of 30: 1,2,3,5,(6),10,15,30
Factors of 42: 1,2,3,(6),7,14,21,42
30 divided by 6, 42 divided by 6
(5) + (7)= 12
40 is 20% of x
40 = .2 * x
40/.2 = x
x =200
x is 80% of y
x = .8 * y
200 = .8 *y
200/.8 = y
250 =y
x+y
200+250
450
