Answer:
3.
and
![(1)/(5)](https://img.qammunity.org/2022/formulas/mathematics/high-school/p08gzgpy814uer2j5q7hqx8ox7lbevrycp.png)
Explanation:
Someone already answered b, c, and 2 so here's the third answer :)
10:50 is a ratio, which can be rewritten as
![(10)/(50)](https://img.qammunity.org/2022/formulas/mathematics/high-school/ch08de8a0d8dkmsbuant1j66nprbd2x3lk.png)
To write an equivalent fraction, we can either multiply or divide.
Multiplying both the numerator and denominator by 2 gets us
.
Dividing both the numerator and denominator by 10 gets us
.
Hope this helps!