Whether we can afford to expand the program is the sixty-four dollar question lawmakers keep asking.

Whether we can finish the project on time is the sixty-four thousand dollar question for the whole team.

After the merger, executives faced sixty-four thousand dollar questions about who would lead the new division.

My sixtyish aunt insists on walking two miles every morning, rain or shine.

The new engine's efficiency was sixtyfold greater than the old model.

The company's profits increased sixtyfold after the merger.

She discovered a note hidden inside a box labeled sixtyfourmo.

Researchers logged over a dozen sixtyfourmos to analyze long-term usage patterns.

Every Sunday morning, a cluster of sixtysomethings gathered at the park to practice tai chi and exchange gardening tips.

The new neighbor is a sixtysomething woman who spends every morning tending her garden.