Marklucassucalfitoviz Marklucassucalfitoviz Math Answered b.ruby is reading a novel.she has read 50%of the book.if the book has 200pages,how many pages has she read?c.mrs.serna receives a monthly salary of p12,000.of this,spends 35%on food for her family.how much did she spend for food?pls paki sagot pls pls po