Answer:
(a)12%
(b)20%
(c)49%
Explanation:
(a)In the age group 58 and above:
- Number in favor of building the skateboard ramps=6
- Number opposed to building the skateboard ramps=44
- Total = 50
Percentage of those in favor =
![(6)/(50)X100 =12\%](https://img.qammunity.org/2021/formulas/mathematics/middle-school/2fr1n6b8rz0j5oqfno25j9rvn5bq5sa6ti.png)
(b)In the age group 18-37
- Number in favor of building the skateboard ramps=40
- Number opposed to building the skateboard ramps=10
- Total = 50
Percentage of those opposed to it =
![(10)/(50)X100 =20\%](https://img.qammunity.org/2021/formulas/mathematics/middle-school/wo2vrngc7raaxfaaqnosw4peottcxi3s00.png)
(c)
- Total Number of those in favor of building the skateboard ramps=73
- Total Number opposed to building the skateboard ramps=77
- Total = 150
Percentage of those in favour =
![(73)/(150)X100 =48.67 \approx 49\%](https://img.qammunity.org/2021/formulas/mathematics/middle-school/7hoa6dbcf95zf352dzy0rbrdh3isswa02e.png)