Your mother gave you $13.32 with which to buy s present. this covered 3/5 of the cost. how much did the present cost?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Write the percent as a fraction or mixed number in simplest form. 0.8%

Me i’m stuck on all these questions besides the two bottom ones