Answer:
7a+2b-3c
Step-by-step explanation:
6a+a = 7a
2b stays the same
-3c stays the same
Answer:
10 + 12 = you get the answer then ÷ 2
Step-by-step explanation:
the numbers of the yellow and white counters
= 288- 38 = 250.
the ratio of yellow to white = 1:4
so,
the numbers of the yellow counters =
1/(1+4) × 250 =1/5 ×250 = 50
the numbers of the white counters =
4/(1+4) ×250 = 4/5 ×250 = 200
and the numbers of the red counters = 38
40/60= 0.67 (i.e. 2/3)= about 66.67%
