Activity 1.3 Complete the table below by finding the unknown.
Interest
Time
Maturity
Value
Principal
Rate
P45,000
2%
1.2%
3%
2.5 years
4 years
P4,560
P114,450
P105,000
Guide Questions:
For the first set of values
a. What unknown variable will you solve first?
b. What formula will you use to find the missing values?
For the second set of values
a. Which among the missing components can be solved using the given?
b. How will you solve the next missing component?
For the third set of values
a. What formula will you use to find the missing value?
b. Which component can be solved first using the given?

pasagot po pls​

Submarines control how much they float or sink in the ocean by changing the volume of air and water contained in large ballast tanks. when the tanks are completely full of water, the submarine increases its overall mass and sinks down to the bottom. when the tanks are completely full of air, the submarine reduces its overall mass and floats to the surface. depending on the density of the seawater surrounding the submarine, it will pump seawater in or out of the tanks in order to achieve the same overall density as the sea water and float neutrally in the water. the volume of the submarine never changes. when the tanks are completely full of water, a submarine with a volume of 7.8\times10^3\text{ m}^37.8×10 3 m 3 7, point, 8, times, 10, start superscript, 3, end superscript, space, m, start superscript, 3, end superscript has a total mass of 8\times10^6\text{ kg}8×10 6 kg8, times, 10, start superscript, 6, end superscript, space, k, g. the density of the seawater is 10^3\text{ kg/m}^310 3 kg/m 3 10, start superscript, 3, end superscript, space, k, g, slash, m, start superscript, 3, end superscript. to make that submarine float neutrally, and neither float nor sink in the ocean, what volume of water does that submarine need to subtract from its tanks?