Answer:
x=2 , y=6
Step-by-step explanation:
3 x + 2 y = 18
3 x + y = 12
(-) (-) (-)
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y = 6
3x+6=12
=>3x=12-6
=>3x=6
=>x=6/3
=>x=2
Five sos tha of sum of three. = -237.5
Answer:
30
Step-by-step explanation:
- A number is divisible by 2 if its last digit is 2, 4, 6, 8 or 0
- A number is divisible by 3 if ist sum of digits is divisible by 3.
- A number is divisible by 5 if its last digit is a 5 or a 0.
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The least 3 digit number divisible by 30 is 120 and the greatest is 990.