<u>Answer:</u>
5 minutes costs $0.25;
1 hour costs $3;
1 hour and 50 minutes costs $5.5
2 hours costs $6;
2 hours and 1 minute costs $6.05;
3 and a half hours costs $10.5
<u>Explanation:</u>
Given the cost of parking for each hour is $3
Therefore, 1 hour = $3
By principle of unitary method;
a)1 hour (60 minutes) = $ 3
5 minutes = ![\frac{3 \times 5}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B3%20%5Ctimes%205%7D%7B60%7D)
= $0.25
b)1 hour (60 minutes) = $3
1 hour 50 minutes = 60+50 minutes = 110 minutes =![\frac{3 \times 110}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B3%20%5Ctimes%20110%7D%7B60%7D)
= $5.5
c)1 hour (60 minutes) = $3
2 hours (120 minutes) = ![\frac{3 \times 120}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B3%20%5Ctimes%20120%7D%7B60%7D)
= $6
d) 1 hour (60 minutes) = $3
2 hours 1 minutes = 120 + 1 = 121 minutes = ![\frac{3 \times 121}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B3%20%5Ctimes%20121%7D%7B60%7D)
= $6.05
e) 1 hour (60 minutes) = $3
3 and half hours = (3× 60) +30 = 210 minutes =![\frac{3 \times 210}{60}](https://tex.z-dn.net/?f=%5Cfrac%7B3%20%5Ctimes%20210%7D%7B60%7D)
= $10.5
Therefore, 5 minutes costs $0.25; 1 hour costs $3; 1 hour and 50 minutes costs $5.5; 2 hours costs $6; 2 hours and 1 minute costs $6.05; 3 and a half hours costs $10.5