X + x+1 + x + 2 = 20
3x + 3 = 20
3x = 17 but can't start with x = 6 because 6+7+8 > 20,
so have start with 5 + 6 + 7 = 18 are the 3 sides.
Answer:
22:2 33:3 44:4 ...
Step-by-step explanation:
just multiply numbers by natural numbers
Answer:
Not normal, because we expect fewer than 10 children to redeem the coupon.
Step-by-step explanation:
that is a very complicated question with alot of variable to figure out