# How do you calculate this?

Asked by Franto Hruz, in Education
What are the number of days before the sum of doubling \$1 each day becomes more than the sum of \$100 every day? Which math equation would one use to solve for t being the number of days?

#### Answers

 Guillermo V.   Musician Day 1: \$.01 Day 2: \$.02 Day 3: \$.04 Day 4: \$.08 Day 5: \$.16 Day 6: \$.32 Day 7: \$.64 Day 8: \$1.28 Day 9: \$2.56 Day 10: \$5.12 Day 11: \$10.24 Day 12: \$20.48 Day 13: \$40.96 Day 14: \$81.92 Day 15: \$163.84 Nov 10th 2018 10:29
 Franto Hruz   - More Value for Our Team Members You didn't even get the question - ahahaha - we start with \$1 not a penny - and what's the formula you'd be using for it? The SUM of 1+2+4+8+16+32+64+128+256+512=1,023 in 10 days at \$100 a day - so \$1,023 is more than \$1,000 - solving for t, the number of days, the formula is 2^t > 100t or 2^t / 100t > 1 Nov 10th 2018 11:48    Edited in Nov 10th 2018 11:51
 Team Bongda  worldcup 2018 So difficult :))))))) Nov 17th 2018 21:24
 On Vent   Profitable Online Ventures What's so difficult, using your brain? :) Nov 21st 2018 00:04
 Sisschool Jaipur  Sine International School What's so difficult, using your brain? Nov 22nd 2018 23:57
 Prachi Gupta  Student its so difficult. Answer please Jan 22nd 2019 02:37
 Essay Corp  Online Writing Services No idea. Never heard of anything like this before. Mar 30th 2019 00:40
 John Cox  Author The right answer is 327.67 Apr 2nd 2019 00:51
 On Vent   Profitable Online Ventures ohh yeh, john - show us how ? Apr 2nd 2019 19:52
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