Please see below solution:
Let x = number of books that Bryan reads2x for amanda = Amanda 3x - 4 for Colin Amanda = 5/8(Bryan + Colin)2x = 5/8(x+3x-4)2x = 5/8(4x-4)
[16x = 5(4x-4)]816x = 20x - 20Subtract 20x from each side-4x =-20-4x/-4= -20/-4 divide -4 to eliminate the -4 in -4xx = 5
Therefore:
Bryan reads 5 books a month.
Since Amanda reads twice as many books a Bryan read so Amanda 10 books a month.
And Colin 11 books a month. 3(5) - 4 = 11
Answer:
y = 30x + 45
Step-by-step explanation:
The teapot starts of at 45 °F, and every minute, the temperature increases by 30 °F
Answer:
B
Step-by-step explanation:
you will multiply the exponents
Answer:
ur mom
Step-by-step explanation:
6 x 10^5 / 2 x 10^7 =
6 x 100,000 / 2 x 10,000,000 =
600,000 / 20,000,000 =
6 / 20 =
3 / 10 =
.333333333....
