Answer:
(a x 4)+(a x 3)=7a
Step-by-step explanation:
(a x 4)+(a x 3)= 4a+3a
or does your question means something else??
Gimme a few mins, imma edit this later... ;-;
Answer: Mary
Step-by-step explanation: 2:3 x 2 = 4:6
(4, 5)