Instead of adding 6 three times, you can multiply 6 by 3 and get 18, the same answer.
Similarly,
6 + 6 + 6 + 6 + 6 + 6 + 6 = 6 × 7 = 42
Answer:
O.o
Step-by-step explanation:
Answer:
87
Step-by-step explanation:
87
She should have added 5.4 to each side
