Answer these math questions(put solution) (if you want to answer word problem look in the comments)

1. ( 1.8 + 3.44 ) x 0.75

2. (8.29 - 0.32) ÷ 0.4

3. 7.58 (1.5 x 0.24) ÷ 0.5

4. (16.45-5.05) x (2.46 + 1.24)

5. (7.1 x 2.3) ÷ (1.25 x 0.6)

6. (4.19 + 6.8) ÷ (0.34-0.15)