Manuel plans to withdraw a certain amount of money each month from his savings account to
make payments on a bicycle. for how many months should he withdraw $10 from his savings
account, if he wants to withdraw at most $100?

What is the value of x when x + 7 = 21?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?