The phrase "and the existing amount" is correct and usable in written English.
It can be used when referring to a specific quantity that is currently available or present in a particular context.
Example: "We need to assess the budget and the existing amount before making any further investments."
Alternatives: "and the current total" or "and the present quantity".
To improve the Peru TB program, participants suggested extending educational opportunities to patients' families and the wider community, increasing the existing amount of nutritional support, and programmatic provision of vocational activities to increase economic opportunities.
Figure 4 shows the specific bar codes for the different moments in A549 model containing the existing amount and synthesis intensity of three spots (one spot from Figure 3D CBB image and two spots from Figure 3G PH-I image).
Given the already existing amount of completed genomes and the accumulated know-how in the sequencing centers it would not be reasonable for single researchers to build their own assemblies.
Each point-to-point set of interfaces has a particular speed, an existing amount of traffic, a set of memory buffers, and an existing amount of loss or errors.
In our model, the amount of collagen was required not to exceed the existing amount of damage in the same patch.
Pt surface layer would not be able to exhibit its distinct diffractions due to its extremely low existing amount.
In the five years since, the case has mostly languished at the preliminary stages, seemingly unwinnable for reasons that could prompt any lawyer to surrender: In pursuing the case, the foundation must prove that a program the government will not even acknowledge as existing amounts to a violation of the Constitution.
One solution is to funnel existing amounts of foreign aid to those countries adopting the best policies, and then make sure they get enough for long enough.
Nevertheless its computation is very complex and the existing algorithms are restricted to use limited amount of data.
