grow wisdom to win!(109)
**
< 109 ȸ> ()
/ the tide
.
[q] :
ٸ ϳ
Ŵ ִ.
a rope ladder
is hanging
over the side of a ship.
.
ٸ
12 feet ̰
1 foot ̴.
the ladder
is 12 feet long,
and the rungs are one foot apart.
.
鿡
ִ.
the lowest rung
is resting
on the top of the ocean.
.
ð 4ġ
Ѵ.
the tide
rises
at the rate of four inches per hour.
.
ٸ ù ǵ
DZ ɸ?
how long will it take
before the first four rungs of the ladder
are under water?
.
:
) ð 1 foot ü 36ð ɸ.
) ð ̷ .
) ù ǵ̶ ü 12 ̴ 3 9 ̰
9 ɴ 9 x 3ð = 27ð ɸ.
) .
.
[] ( ) ) Ѵٸ ?_________________________
----------------------------------------* ȸ .
==
<109. ܾб> :
lad.der /ĺd.ər/[()^ ́.()]
low.est /lóu.ist/[()ο ́.̽Ʈ]
rest.ing /rés.ti/[() ́.]
rot.ten /rɑ́t.ən/[() ́.]
rungs /rʌz/[()^]
spoils /spɔils/[^Ͻ]
tide /taid/[Ÿ()]
==
[ 108 ȸ ؼ]
: ) 9
ؼ :
6 : 9 : 1.5
? 270 : 30
? 30 20
1) 30 þ ø,
6x30=1800 ҿȴ.
2) ð 20 ŭ ҿο ٿ ȴ.
1800() 20() = 9
==
< >
one rotten apple spoils the barrel.
ü Ѵ.
--> ؼ ü ̴ .
= ̲ٸ 帰.
.
ϾŹ() :
< ϳ , , 帱 Ź, >
ټ Ⱑ 帮 ־µ ̲ٶ ߸̶
ƺ ,
ݴ ߸ϸ ΰ ߸̶ ۿ ִ.
= Ͼȥõ(), Ź(鰌)
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