Math in Shopping: (1) How much does it cost to buy two jiaozi sausages for Xiaoxiao? (2) Naughty bought six jiaozi and four French fries, and spent a total of 65 yuan.

( 1)2×7.5+25×2.8,

= 15+70,

=85 yuan;

A: Xiaoxiao wants to buy 2 jiaozi, 25 sausages and 85 yuan.

(2)65-6×7.5,

=65-45,

=20 (yuan);

20÷4=5 (yuan);

A: Every order of French fries, 5 yuan.

(3) Question: How much is 10 sausage?

Formula: 2.8× 10.

So the answer is: 10 how much is a sausage, 2.8× 10.

(1) Course Examination Paper of School of Network and Continuing Education of Southwest University (Western Economics) Answer 20 1 1 year.