Mixed Math Review 1. 77 + 18 = 5 3 8 4 4. 2 + 1 = 7. 3 2 1 × = 4 10. ๐ด๐๐๐ ๐๐ ๐ ๐ค๐๐๐ ๐กโ๐๐ก ๐๐ 4′ 6′′ ๐๐ฆ 5′8′′ 2. 100 − 64 = 1 3 4 8 3. 4 1 9. 5′ 8′′ + 3′ 10′′ = 2 2 8 6. โ๐๐๐ ๐๐ 6 ๐๐ _______ 8. 6 ÷ = 1′′ 2 3 + = 3 5. 3 − 2 = 11. 8′ 5 1 5 − 5′ 7 ′′ 8 12. The final cost of a $37 item marked up 20%.