A plain mat is placed around a picture measuring 28 cm by 36 cm so that the width of the mat is equal on all sides.
The area of the mat is 54 of the area of the picture. Find the
width of the mat, to the nearest millimetre.
SLIDESHANIA COM​

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next