Posted by esha on Wednesday, December 1, 2010 at 4:33pm.
justine has 162 red buttons,98 blue buttons,and 284 green buttons. she says she knows she has more than 500 buttons without adding.do you agree? explain.

math  Ms. Sue, Wednesday, December 1, 2010 at 4:35pm
Yes. Round the numbers to the nearest hundred. Then add them.

math  Damon, Wednesday, December 1, 2010 at 4:38pm
160 + 100 = 260
so if the last number is more than 240 we are over 500 
math  esha, Wednesday, December 1, 2010 at 4:54pm
thankyou for tour quick reply ,esha

math  Anonymous, Wednesday, September 21, 2016 at 10:04pm
Alex used red, blue, and green buttons for his painting. he used 81 green buttons. he used 20 more green buttons than blue buttons. he used 14 more red buttons than blue buttons. what is the number of red buttons