Lets call the number 'n'
plus means addition
is means the equal sign
so that as an expression would be

n+4=7
Answer:
23
Step-by-step explanation:
Answer:
2less apples
Step-by-step explanation:
5-2=3. 3+2=5
Answer:
30 cm3
Step-by-step explanation:
30cm equals 30cm
Total payments 437×60=26,220
Interest paid
26,220−17,550=8,670