Each section is (b) meters long, each section is 1 meter (a), and each section is 2 meters long (c).
—————————————— 2 meters
- 1/5 = 2 ÷ 5 = 0.4m。
—————1m
2.● stands for pencil and △ stands for eraser.
●●●●●●+◇ ◇ 9.35 yuan.
◇◇◇◇+●●● It is 9.35-2.3=7.05 yuan.
Then: ●●●●●●● ●+◇ ▽ ▽ ▽ is 9.35+7.05= 16.4 yuan.
So: ●+◇ Yes 16.4÷8=2.05 yuan.
●●●●+◇ ◇ is 2.05×3=6. 15 yuan.
(●●●●● + ◇◇◇)-(●●● + ◇◇◇)= ●●
9.35 yuan -6. 15 yuan = 3.2 yuan
Namely: ●● = 3.2 yuan
So: ● It is 3.2÷2= 1.6 yuan.
Namely: a pencil = 1.6 yuan.
(◇◇◇◇◇ + ●●●)-(●●● + ◇◇◇)= ◇◇
7.05 yuan -6. 15 yuan = 0.9 yuan
Namely: ◎◎= 0.9 yuan.
Then: ◇ is 0.9÷2=0.45 yuan.
Namely: an eraser =0.45 yuan.
A: A pencil = 1.6 yuan and an eraser =0.45 yuan.