1. Set up the long addition.
2 4 7
+3 5 8
_______
2. Calculate 7+8, which is 15.
since 15 is two-digit, we carry the first digit 1 to the next column.
1
2 4 7
+ 3 5 8
________
5
3. Calculate 4+5, which is 9. Now add the carry digit of 1, which is 10. Since 10 is two-digit, we carry the first digit 1 to the next column.
1 1
2 4 7
+ 3 5 8
________
0 5
4. Calculate 2+3, which is 5. Now add the carry digit of 1, which is 6.
1 1
2 4 7
+3 5 8
______
6 0 5
5. Therefore, 247 + 358 = 605.
605
(0,15)(1,45)
slope = (45 - 15) / ( 1 - 0) = 30 mph
If you choose Vanilla, there are 22 choices of toppings.
If you choose Chocolate, there are 22 choices of toppings.
If you choose Strawberry, there are 22 choices of toppings.
22+22+22 = 66
Therefore, there are 66 choices of toppings.
