the simple interest (i) for a certain savings account varies jointly as the time (t) and the principal (p). after 4 years, a principal of 10,000 earns an interest of 1000. after how many years will 15,000 earn an interest of 5000
![The Simple Interest I For A Certain Savings Account Varies Jointly As The Time T And The Principal P After 4 Years A Principal Of 10000 Earns An Interest Of 100 class=](https://ph-static.z-dn.net/files/d56/d93518c0d4c54656ca13266134ca6558.jpg)
Answer:
832,09{80} %
Step-by-step explanation:
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