no banana@piefed.world to Lemmy ShitpostEnglish · 7 days agoSo wise.media.piefed.worldimagemessage-square101linkfedilinkarrow-up1862arrow-down19
arrow-up1853arrow-down1imageSo wise.media.piefed.worldno banana@piefed.world to Lemmy ShitpostEnglish · 7 days agomessage-square101linkfedilink
minus-squareincogtino@lemmy.ziplinkfedilinkEnglisharrow-up5arrow-down1·5 days ago4% x 7 = 4% x 100 x 7 ÷ 100 = 4 x 7 ÷ 100 = 28 ÷ 100 = 0.28
minus-squarestickyprimerlinkfedilinkarrow-up2arrow-down1·5 days agoMy brain was more like “Okay it’s just seven point-fours. So what’s seven fours? 28. What’s seven point-fours? 2.8. That can’t be right. Fuck. Get a calculator.
minus-squareqarbonelinkfedilinkEnglisharrow-up2·edit-25 days agoI go for finding percentage factors. 4%? That’s just 1% * 4. 1% of 7 = 0.07 * 4 = 0.28 14%? That’s just 10% + 1% * 4 = 0.7 + 0.07 * 4 = 0.98 You tell me it’s decimal, then I’m gonna Decimal.
minus-squarestickyprimerlinkfedilinkarrow-up1arrow-down1·5 days agoKeeping the decimal in the right place is the trick for me when I do it in my head.
4% x 7
= 4% x 100 x 7 ÷ 100
= 4 x 7 ÷ 100
= 28 ÷ 100
= 0.28
My brain was more like “Okay it’s just seven point-fours. So what’s seven fours? 28. What’s seven point-fours? 2.8. That can’t be right. Fuck. Get a calculator.
I go for finding percentage factors.
4%? That’s just 1% * 4. 1% of 7 = 0.07 * 4 = 0.28
14%? That’s just 10% + 1% * 4 = 0.7 + 0.07 * 4 = 0.98
You tell me it’s decimal, then I’m gonna Decimal.
Keeping the decimal in the right place is the trick for me when I do it in my head.