Mrs Jones has some almond and butter cookies.If she packs an almond cookie with a butter cookie,there will be 60 butter cookies left.If she packs every 2 almond cookies with 3 butter cookies,there will be 50 almond cookies left.How many cookies does she have in all?
A [ ]
B [ ][60]
<- 1u ->
A [ ][ ][50]
B [ ][ ][ ]
A [ ][ ][50]
B [ ][ ][50][60]
<- 1 u ->
1 u --> 50 + 60 = 110
5 u --> 5 x 110 = 550
550 + 50 = 600 cookies
She has 600 cookies.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment