a woodworker normally makes a certain number of parts in 24 days . but he was able to increase his productivity by 5 parts per day , and so he not only finished the job in only 22 days but also he made 80 extra parts . how many parts does the woodworker normally makes per day and how many pieces does he make in 24 days ?
let x be the number of parts the woodworker normally makes daily . in 24 days he makes 24 ⋅ x pieces . his new daily production rate is x + 5 pieces and in 22 days he made 22 ⋅ ( x + 5 ) parts . this is 80 more than 24 ⋅ x . therefore the equation is : 24 ⋅ x + 80 = 22 ( x + 5 ) 30 = 2 x x = 15 normally he makes 15 parts a day and in 24 days he makes 15 ⋅ 24 = 360 parts . so answer is a .
multiply(divide(subtract(multiply(22, 5), 80), subtract(24, 22)), 24)