Julian gave x number of rubberbands to four people and y number of rubberbands to three people for a total of 42 rubberbands.

romeo gave x number of rubberbands to 2 people and y number of rubberbands to 5 people for a total of 56 rubberbands.

julian claimed that the situation can be written as this system: 4x + 3y = 42 and 2x + 5y = 56.

romeo claimed that the situation can be written as the system 4x + 2y = 42 and 3x + 5y = 56.

who was correct?

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup