Max went to the fair with 5 friends.some paid $2 each to ride the bumper cars.the rest paid $3 each to ride the roller coaster.they spent $16 in all.how many rode each ride ?

if angel plants the same number of pepper plants in each of 5 rows, he will have none left over.if he plants 1 in the first row and then 1 more in each row than he did in the previous row, he will plant peppers in only 4 rows.how many plants does he have ?

paul has 30 postcards.he has 4 times as many large postcards as small postcards.how many small postcards does he have ? how many large postcards ?

can anyone help ? i've helped my daughter with about 20 of these questions,

but now my brain has died