Week 8

Posted by Angela O'Neill on 11/4/2018

Question:

Nora went shopping to buy some new school clothes.  At one store Nora bought a $50 dress and used two coupons, one for 20% off and one for 10% off.  How much more would Nora have saved by using a single coupon for 30% off compared to using the 20% coupon and then 10% coupon?  Show or explain how you got your answer.
 
Answer to Week 7:
Lucy typed 980 more words than Ricky
 
If Lucy typed x words and Ricky typed y words, then x + y = 1632 and x = 4y
 
4y + y =1632                                    y = 326.4 = 326
5y = 1632                                          4y = 1304
y = 326.4 = 326                                1304 – 326 = 978
5(326) = 1306
 
Ricky typed 326 words
Lucy typed 1,306 words (or 1304)
 
 
1306 – 326 = 980 words 
1304 - 326 = 978 words (depending on rounding, 978 is also correct)