Three times the larger of two numbers is equal to four times the smaller. the sum of the numbers is 21 . find the number

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|