Answer:
The deep of the water would be 20 cm
Explanation:
step 1
Find the volume of the water
The volume of the water is equal to
![V=LWH](https://img.qammunity.org/2021/formulas/mathematics/middle-school/jovb72tftredqpcrm6f1lijsb9r3h1c6j7.png)
we have
![L=60\ cm\\W=40\ cm\\H=50/ cm](https://img.qammunity.org/2021/formulas/mathematics/middle-school/vkga9r3hq3hct21nyma9ypt40yubsq6a9q.png)
substitute
![V=(60)(40)(50)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/3glmsdgxowel7i78uqfz6ay1wax8r9ncc0.png)
![V=120,000\ cm^3](https://img.qammunity.org/2021/formulas/mathematics/middle-school/bpn6nczfzhn3nljuq7kg749wzth8amxl12.png)
step 2
Find the deep of the water, if the tank is returned to its horizontal position
(resting on its 60 cm × 100 cm base)
Now we have
![L=60\ cm\\W=100\ cm\\H=?\ cm](https://img.qammunity.org/2021/formulas/mathematics/middle-school/2fz5bqlemrwxz52zo1mydh77ztajpovvru.png)
![V=120,000\ cm^3](https://img.qammunity.org/2021/formulas/mathematics/middle-school/bpn6nczfzhn3nljuq7kg749wzth8amxl12.png)
substitute the given values
![120,000=(60)(100)H](https://img.qammunity.org/2021/formulas/mathematics/middle-school/z2qakm13nznbfj7pn5mjyix8hiqhoja4o9.png)
solve for H
![H=120,000/6,000](https://img.qammunity.org/2021/formulas/mathematics/middle-school/pg20cyjl0w1t4a3arjn4pdv9qavekw7gt2.png)
![H=20\ cm](https://img.qammunity.org/2021/formulas/mathematics/middle-school/p224boroumcpm3qp8bk9ips3r55erdjhn7.png)
therefore
The deep of the water would be 20 cm