Mariana's office recycled a total of 9 kilograms of paper over 3 weeks. After 4 weeks, how many kilograms of paper will Mariana's office have recycled? Solve using unit rates.

9 kg per 3 weeks = 3 kg per week

Therefore, after 4 weeks it is (4 * 3) kilograms or 12 kilograms

Step-by-step explanation:

can someone me: the midsegment through the legs of an isosceles triangle is 4 in. find the sides of the triangle if its perimeter is 20 in. ,   and point g is the centroid of the right △abc with hypotenuse ab=18 in. find cg.