Câu hỏi
Cǎn hộ loại I tǎng 10% , giá mới là 1.7xtimes 1.1 Cǎn hộ loại II giảm 5% , giá mới là 2.6ytimes 0.95
Giải pháp
4
(213 Phiếu)
Ánh Dương
chuyên gia · Hướng dẫn 6 năm
Trả lời
1.7x * 1.1, 2.6y * 0.95
Giải thích
The question involves calculating the new prices of two different types of houses after applying percentage increases or decreases. 1. For the first house, a 10% increase in price is applied. The original price is represented as
, where
is a variable representing the original price. A 10% increase means the new price will be the original price plus 10% of the original price. Mathematically, this is represented as
, where
is the result of adding 100% (the original price) and 10% (the increase), expressed as a decimal.2. For the second house, a 5% decrease in price is applied. The original price is represented as
, where
is a variable representing the original price. A 5% decrease means the new price will be the original price minus 5% of the original price. This is represented as
, where
is the result of subtracting 5% from 100%, expressed as a decimal.In both cases, the variables
and
are placeholders for the original prices of the houses, and the calculations are based on the percentage change applied to these original prices.