Umxholo
Inkqubo ye- ipesenti yindlela yokumela iqhezu apho inani lilonke lahlulwe laba ngamakhulu alikhulu. Umzekelo, ukuthi into iqulethe i-30% yamafutha, kuthetha ukuba ukuba sikwahlulahlula saziinxalenye ezili-100, ezingama-30 kuzo zingatyeba.
Inkqubo ye- % uphawu Ilingana kwimathematika kwinto engu-0.01 oko kukuthi i-1% ilingana no-0.01.
A iqhezu ubudlelwane phakathi kwamanani amabini. Ipesenti ikuvumela ukuba uthelekise amanani awahlukeneyo ngokubhekisele kwitotali.
Ukufumana ipesenti yetotali (Y) emelwe sisixa esingu-X, kufuneka sahlule u-X ngo-Y, size siphindaphinde ngo-100.
Umzekelo, ukuba ukutya kuphelele yi-40 yeigram kwaye iqulethe i-15 gram yamafutha:
- 15/40 x 100 = 37.5%. Oko kukuthi, ukutya kunamafutha angama-37.5%.
Ukufumana ukuba leliphi inani elimele ipesenti engu-P uwonke u-Y, phinda-phinda u-P ngo-Y opheleleyo, uze emva koko uwahlule ngo-100. Umzekelo, ukuba ufuna ukwazi ukuba ingaphi i-30% ye-120:
30 x 120/100 = 36. Oko kukuthi, ama-30% ka-120 ngama-36.
Ipesenti ephezulu inokubonisa isixa esincinci sokwenyani. Umzekelo, ukuba i-90% yepunipoon iswekile, inokuba ziigram eziyi-1.8 zeswekile. Ngelixa i-15% yepakethi yeswekile inokuba ziigram eziyi-150. Ke ngoko, ukwazi owona mthamo kuyimfuneko ukwazi malunga nenani elipheleleyo leepesenti elilinganisiweyo.
Inokukunceda: Lithini uphawu lwe-% kwaye ifundwa njani?
Imizekelo yepesenti
- Iqhezu le-1/1 li-100%
- Iqhezu le-9/10 ngama-90%
- Iqhezu le-4/5 ngama-80%
- Iqhezu le ¾ ngama 75%
- Iqhekeza le-7/10 ngama-70%
- Iqhezu elingu-3/5 ngama-60%
- Iqhekeza le-1/2 li-50%
- Iqhekeza le-2/5 ngama-40%
- Iqhezu le-3/10 ngama-30%
- Iqhezu le-1/4 ngama-25%
- Iqhezu le-3/20 li-15%
- Iqhezu le-1/8 ngu-12.5%
- Iqhezu le-1/10 yi-10%
- Iqhezu le-1/20 yi-5%
- Iqhezu le-1/50 ngu-2%
- Iqhekeza le-1/100 yi-1%
- Iqhezu le-1/200 yi-0.5%
- Kwiqela labafundi abangama-30, abali-12 ngamakhwenkwe. 12/30 x 100 = 40 Oko kukuthi, ama-40% abafundi angamadoda.
- Inyama yenkomo ngamafutha angama-20%, kwaye i-gram engama-300 iphakwa kwisidlo. 20 x 300/100 = 60. Oku kuthetha ukuba ukutya kune 60 gram ye fat.
- Edolophini kukho izindlu eziyi-1,462, eziyi-1,200 zazo zidityaniswe kwinethiwekhi yegesi: 1,200 / 1,462 x 100 = 82.079 Ngamanye amagama, izindlu ezingama-82% zixhunyiwe kwinethiwekhi yegesi.
- Itanki lamanzi elinomthamo weelitha ezingama-80 lineelitha ezingama-28. 28/80 x 100 = 35. Oku kuthetha ukuba itanki igcwele ngama-35%.
- Kwigadi yezityalo, kwiindidi ezingama-230, ezili-140 zezomthonyama. 140/230 x 100 = 60.869. Ngamanye amagama, i-60.8% yeentlobo zizenzekelayo.
- Kwibhaso le- $ 100,000, ophumeleleyo kufuneka ahlawule iipesenti ezingama-20 kwirhafu. 20 x 100,000/100 = 20,000. Ngamanye amagama, irhafu yi- $ 20,000.
- Ibhulukhwe ebiza i-300 pesos ine-25% isaphulelo. 25 x 300/100 = 75. Ngamanye amagama, isaphulelo yi-75 pesos kwaye ixabiso lokugqibela ngama-225 pesos.
- Iigrama ezili-100 zerayisi zine-7 gram yeprotini. Kuba i-100 iyonke, awunyanzelekanga ukuba wenze imathematics: irayisi iqulethe i-7% yeeprotein.
