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Problem of the Week #14 & #15
I forgot to put up a problem last week…my mind was still on the beach back in New Zealand! I hope you all had a great holiday too. I am posting 2 problems this week to get you back up to speed.
The Question # 14
- a) If you saved $2.00 on January 1, $4.00 on February 1, $6.00 on March 1, $8.00 on April 1, and so on, how much money would you save in one year?
- b) If you saved $2.00 on January 1, $4.00 on February 1, $8.00 on March 1, $16.00 on April 1, and so on. How much money would you save in one year?
The Question #15
- Derek started his car (automatic shift) drove 9 km and spent 3 minutes waiting at traffic lights. About how much gasoline did Derek’s car use?CHART GIVEN:
AUTOMOBILE FUEL USAGE Starting .015 Liters Idling for 1 minute .047 Litres Moving Manual Shift 30km 3.0 Litres Automatic Shift 27km 3.0 Litres
Mr. T
16 Comments Already, Leave Yours Too
Mr.Toa
On question 14a the answer is $132.00
On question 14b the answer is $1024.00
On question 15 Derek used 0.6243333(with a line above it.)
sorry it’s 0.6243333(with a line above it)
liters.
Question #14
Part A
12+11=23+10=33+9=42+8=50+7=57+6=63+5=68
68+4=72+3=75+2=77+1=78*2=$156
ANSWER=$156
Part B
2+4=6+8=14+16=30+32=62+64=126+128=254
254+256=510+512=1022+1024=2046+2048=40944094+4096=$8190 ANSWER=$8190
Question #15
.015+.141=.156+1=1.156 Liters
ANSWER=1.156 Liters
Anita
I don’t really get it.
# 14 part a The answer is 146 because
2+4+6+8+10+12+14+16+18+20+22+24=146
# 14 part b The answer is 5630 because2+4+8+16+32+64+128+236+442+884+968+1846= 5630
I couldnt really figure out # 15 so maybe you could give me a hint.
For 14 part a
2+4+6+8+10+12+14+16+18+20+22+24=$176.00
For 14 part b
2+4+8+16+32+64+128+256+512+1024+2048+4096=
$8190.00
For 15 I don’t really get it. Can you
give me a hint?
Dear Mr.Toa,
Problem of the week #14
a)$152
b)$8190
manal
Dear Mr.Toa,
I didnt realy get the problem of the week #15.
manal
Mr Toa,
I think the answer for problem 14a is $156
b)3490
#15)2.425 litres
1.41 litres waiting for traffic.
Moving:(3 litre/27km)*9=1
starting: 0.015
Make sure you explain HOW you arrived at your answers.
Mr. T
14
a is 156
b is 8190
15
I think it is 1.186
Mr Toa
I can’t do these problems without writing it down…is it ok to use pen and paper?
Just because it’s you Mr. Power.
Mr. T
Qustion #14
(A)2+4+6+8+10+12+14+16+18+20+22+24=$156
(b)2+4+8+16+32+64+128+256+512+1024+1048+4096=$8190
number#14
a)$156
b)$8190
number#15
sorry.. I don’t get it
-SeaYoung Yoon-
Qusetion #15
start=.015L
drove 9km = 1L
idlo=1.41L
I think it is 2.425L
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