Evaluate the following: 42 ÷ (3 + 1).
4
3
2
1

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

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?