The phrase "and represented a substantial" is correct and usable in written English.
It can be used when discussing the significance or impact of something in a particular context, often in formal or academic writing.
Example: "The findings of the study were significant and represented a substantial contribution to the field of environmental science."
Alternatives: "and constituted a considerable" or "and indicated a significant".
There were mitigating factors for Saturday's sub-6,000 sub-6,000th the game kicrowd off at 5.30pm with the Six Nations decider was beingameown on the BBC and represented a substantial counter-attraction, whatever rugby league dreamers might likickinglaim.
Which, to place that figure into some basic perspective, was almost $100 million more than they'd anticipated, and represented a substantial reversal of fortunes following a $23 million loss in the previous year.
This is unprecedented and represents a substantial improvement in the living standards of over a million children.
These "green collar" jobs are manufacturing-heavy and export-driven and represent a substantial source of growth.
Recalling our joint statement of Nov. 13, 2001, on counternarcotics cooperation, we note that illegal drug trafficking poses a threat to our peoples and to international security, and represents a substantial source of financial support for international terrorism.
Development and design of resource-efficient processes are key factors and represent a substantial contribution to the improvement.
It also supports lowland tropical forest diversity, as it serves as a corridor for diverse flora and fauna and represents a substantial carbon stock.
Saccharomyces cerevisiae U4/U6.U5 tri-snRNP comprises U5 snRNA, U4/U6 snRNA duplex and approximately 30 proteins and represents a substantial part of the spliceosome before activation.
This increase is manly explained by the higher cell concentration, and represents a substantial improvement in the t-PA production process using glucose.
Clearly, the calibrated response accurately represents longitudinal variation in ρg (Figure 6) and represents a substantial improvement in precision over mean-response predictions from Model 5 (which included fixed effects only).
The cabling philosophy of a company is a central communications issue and represents a substantial investment; and provides service to a wide range of equipment for an extended period of time.
