Riordan had 440 buttons. He gave
58 of it to Glen and
45 of the remainder to Vanessa. How many buttons had he left?
Fraction of the buttons left after giving to Glen
= 1 -
58 =
38 Fraction of the remaining buttons left after giving to Vanessa
= 1 -
45 =
15
Fraction of the buttons left after giving to Glen and Vanessa
= 38 x 15
= 340
Total number of buttons = 40 u
40 u = 440
1 u = 440 ÷ 40 = 11
Number of buttons left
= 3 u
= 3 x 11
= 33
Answer(s): 33