Answer:
Question 1: False
Question 2: True
Question 3: True
Question 4: False
Step-by-step explanation:
Peter babysits his sister 2 days: Monday and Friday.
He babysits for his neighbor 40% of the time between Monday through Friday. This includes 5 days. 40% of 5days = 2 days.
On the weekend, Peter babysits 50% of the days. There are 2 days in the weekend
50% × 2 days = 1 day.
Question 1: False
Altogether, Peter babysits 5 days every week.
Question 2: True
Question 3: True
Peter babysits 4 out 5 days during Monday-Friday 4/5= 80%
Question 4: False
Peter babysits 5 days out of 7 during the week. 5/7 = 71% of the days, which is less than 90%
Determine the true or false statement from the options given.
Days Peter babysit his sister = Monday & Friday = 2 days
Babysit for his neighbor = 40% of weekdays
= 40% of 5
= 0.4 × 5
= 2 days
Weekend babysitting = 50% of 2 days
= 0.5 × 2
= 1 day
Options
Peter babysits a total of 6 days each week.
Total days = Days Peter babysit his sister + Babysit for his neighbor + Weekend babysitting
= 2 + 2 + 1
= 5
False
True
80% of 5 days
= 0.8 × 5
= 4 days
Check:
Check:Weekday babysitting = Days Peter babysit his sister + Babysit for his neighbor
= 2 + 2
= 4 days
True
90% of 7 days
= 0.9 × 7
= 6.3 days
False
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