Denise can catch a local bus or an express bus to take her to work each day. The probability she catches the local bus is 0.8. If she catches the local bus,
the probability that she is on time for work is 0.5. If Denise catches the
express bus, the probability that she is on time for work is 0.95.

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

step-by-step explanation:

1st integer x

2nd integer x+1

3rd integer x+2

4th integer x+3

x+x+1 +x+2+x+3 =74

combine like terms

4x+6 = 74

subtract 6 from each side

4x = 68

x = 17

the integers are 17,18,19,20