Irma's current ratio is $2\mathrm{.}5.$ This means that

for every dollar of current liabilities, Irma has $$2\mathrm{.}50$ in current assets.

for every dollar of current assets, Irma has $$2\mathrm{.}50$ in current liabilities.

Irma can borrow $2\mathrm{.}5$ times her annual sales.

Irma has enough cash to pay her debts for the next $2\mathrm{.}5$ years.