15. If one apartment requires 36 square yards of carpeting, how many square yards of carpeting do 25 identical apartments requir
e? A. 936 square yards
B. 900 square yards
C. 27 square yards
D. 61 square yards
16. Gina decided to order some clothes from a catalogue. She ordered 3 pairs of jeans at $39 each, 4 T- shirts at $15 each, and 2 skirts at $27 each. What was her total bill?
A. $177
B. $117
C. $231
D. $192
17. What is the correct way to write three hundred nine million, fifty-eight thousand, three hundred four?
A. 309,58,34
B. 395,834
C. 309,058,304
D. 390,580,304
For number 15, all you need to do is multiply 36 by 25 which gets you 900 square yards. For #16, you would also want to use multiplication, 3 * 39 ($117) , 4 * 15 ($60) and 27 * 2 ($54). Now add them together, 54 + 117 = 171 + 60 = $231. And finally break down the number 309 million, 058 thousand, 304 hundred. Four, eight and, nine need to be in the ones place. So you have 309,058,304, C.
