1. (2021八下·哈尔滨开学考) Mr. and Mrs. Black get ＄3, 000 in all from their work every month. They use one third of the money for charity(慈善). The form below shows that they give ______ to disabled people each week.

Disabled people	Homeless children	Drop-out (中途退学的) children
?	30%	30%