Exodus 1:5

1:5 All the people who were directly descended from Jacob numbered seventy. But Joseph was already in Egypt,

Exodus 25:39

25:39 About seventy-five pounds of pure gold is to be used for it and for all these utensils.

Exodus 27:13

27:13 The width of the court on the east side, toward the sunrise, is to be seventy-five feet.