Answer:
4 hours. 1 3/4 is about 2, and 2 1/4 rounds to 2. 1/4 would round to 0, but it would not affect the estimate's accuracy much because we rounded up by 1/4 on 1 3/4 already. Philipe spent about 4 hours on activities.
Step-by-step explanation:
Answer:
__ - 8=81
unsure if we're adding his friend but for this i assume no,
81+ 8 = 89
so its either 89 or
89+13=102