In 10 hours, the company produces: \[ 1500 \times 10 = 15000 \, units \] In 10 hours, the company sends out: \[ 700 \times 10 = 7000 \, units \] The remaining units are: \[ 15000 - 7000 = 8000 \, units \] To find remaining units, subtract the total number sent out from the total produced.