The ratio of the profit, cost of materials and labour in the production of an article is 5 :7:13 respectively. If the cost of materials is 840 more than that of labour, find the total cost of producing the article.

21 or 21 or 24 or 54

Step-by-step explanation:

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

the square root of what number? if you add that, then someone will probably answer the question.