please help and step by step

Answer:
The answer is 34
Step-by-step explanation:
850*4= 3400
Than divide 3400 by 100
Take away the two zeros from dividing with the 100 which gives you 34
Answer:
= 34
Step-by-step explanation:
850 × 4
1 100
Reduce the fraction with 4.
850 × 1
1 25
Reduce the numbers with the greatest common divisor 25.
34
1
Any expression divided by 1 remains the same.
34 = 34
1