Hello,
Assume n the number to be found.
n-3 is so a multiple of 8,10,12,30 .
The lcm of 8,10,12,30 is 2^3*3*5=120
n-3=120 or 240 or 360.... n-3=240
==> n=243
Answer:
y =x-12
Step-by-step explanation:

Equation of straight line is




Answer:
90 hours
Step-by-step explanation:
- 67 + 6 + 9 + 8 = 90 hours
True
Product=multiplication
Quotient=division
Difference=subtraction
Sum=addition