Examkin

Soru

Zorluk: KolayDecimal Operations

A plumber has a copper pipe that is 14.514.5 inches long. She cuts off a piece that is 3.753.75 inches long. What is the length of the remaining pipe in inches?

Cevap: 10.75 inches

Cevap

10.75
Subtracting the cut piece (3.753.75 inches) from the total length (14.514.5 inches) gives the remaining length. Aligning the decimals properly as 14.50−3.7514.50 - 3.75 results in exactly 10.7510.75.

Adım Adım Çözüm

1
Identify the operation needed
Subtraction: 14.5−3.7514.5 - 3.75
Cutting a piece off means reducing the total length of the pipe.
2
Align the decimals for subtraction
14.50−3.7514.50 - 3.75
To subtract decimals correctly, align the place values by lining up the decimal points. Add a placeholder zero to 14.514.5 to make it 14.5014.50.
3
Perform the subtraction
10.7510.75
Subtracting 3.753.75 from 14.5014.50 yields 10.7510.75.

Anahtar Kavram

Decimal Subtraction and Alignment
Tahmini Süre:45s
Bu soruyu puanla

Konular

Decimal Operations

Bu konudan daha fazla soru