Bobo has 50 coins, 2h of the coins are 50-cents coin. The number of $1 coin are half that of 50-cents coin. The remaining are $5 coin. Find, in terms of h,
(a) the number of each kinds of coins.
(b) the total value of the coins.
Form 2 - Simple Polynomials (3)?
2015-10-08 7:47 am
回答 (1)
2015-10-08 8:58 am
✔ 最佳答案
(a)Ans:
50-cents : 2h
$1 : h
$5 : ( 50 - 3h )
(b)
0.5*2h + 1*h + 5*( 50 - 3h )
= h + h + 250 - 15h
= 250-13h
Ans: 250-13h dollars
收錄日期: 2021-04-18 00:22:49
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