Part a. is correct. It is 150.
Part b.
First plan: $30 + $0.20 per text
For 50 texts
$30 + 0.20 * 50 = $30 + $10 = $40
For 50 texts, the first plan costs $40
For 50 texts per month, the first plan is better because it costs only $40 instead of $60
Second plan: $60 no matter how many texts
Given that
time required to filled 1/7 of pool = 1/10
so time required to fill 1 pool = 1/10 ÷ 1/7 = 1/10 × 7 = 7/10 hrs
So 0.7 hrs will require to fill the pool at given rate
≈ 6 (in simplest form)
Answer is <em>5 S.R. 6 </em>
3(6)-1/2(6)+1 is the correct answer
Answer:
18
Step-by-step explanation:
30x60=1800
1800/100=18