What do you mean doubling? You can add 7+7+7 which equals 21.
Answer:
Step-by-step explanation:
Tina bought 5 bottles of nail polish and 4 tubes of lip gloss.
The answer would be 18mm because 6+6+3+3 considering that there are 4 sides.
Answer:
Step-by-step explanation:
- 25 × 386 + 3219 ÷ 2 =
- 9650 + 1609.5 =
- 11259.5