A number of coloured balls are in a basket. There are 145 more red balls than white balls. There are 358 more white balls than black balls. How many more red balls than black balls are there?
Solution
Red ----- 1 unit + 358 + 145
White ----- 1 unit + 358
Black ----- 1 unit
Red more than black ----- 358 + 145 = 503
Answer: There are 503 more red than black balls.
Thursday, April 02, 2009
Rosyth Sch 2006 PSLE Math Prelim Q27
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment