Tại một địa phương đã quyên góp được 25 tấn nhu yếu phẩm gồm gạo; lạc và rau củ quả để hỗ trợ Thành phố Hồ Chí Minh chống dịch Covid-19. Khối lượng gạo quyên góp được chiếm tổng số nhu yếu phẩm quyên góp. Khối lượng lạc chiếm 4% tổng số nhu yếu phẩm quyên góp. Còn lại là rau củ quả. a) Tính khối lượng mỗi loại nhu yếu phẩm trên. b) Biết rằng khối lượng gạo bằng khối lượng bí xanh trong số rau củ quả quyên góp được. Hỏi địa phương đã quyên góp được bao nhiêu tấn bí xanh? Mọi người giúp mình, mình đang cần gấp

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