Question

What is the value of 5a + 7b
if a = 4 and b = 3??
a : 41
b : 12
c : 43
d : 35

Answer 1

Answer:

41

Step-by-step explanation:

multiplication and addition

5x4=20

7x3=21

20+21=41

Answer 2

Answer:

41

Step-by-step explanation:

the answer is a:41

this is because 5 times 4 is 20 and 7 times 3 is 21

so 20+21 is 41