Answer:
it is 30.5
Step-by-step explanation:
(3X+4Y):2
(3×7+4×10):2
(21+40):2
61:2
30.5
Answer:
15
Step-by-step explanation:
2/3 x 60 = 40
1/12 x 60 = 5
60 - 40 - 5 = 15
I can not understand your question!!
The first questions answer is 50.
The second questions answer is 480
The third is 90
The fourth answer is 180
Lastly the last answer is 180 again