Sam is 10 years old because 20 is half of 40 and 20 subtract 10 is 10
19/30 20/30 21/30 22/30 23/20
Answer:
$28.50
Step-by-step explanation:
21 ÷ 14 = 1.5
19 · 1.5 = 28.50
Hope this helps!!
Answer:
1
Step-by-step explanation:
-9-(-10)
-9 + 10 (double negative makes a positive)
1
