En nuestra clase somos más de 20 alumnos y menos de 35; si hacemos grupos de 2,3 o 5 nos sobra alguien. ¿Cuantos alumnos somos en clase?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Find the value of x for which line a is parallel to line b

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?