Gabby used
310 of the thread to tie some presents. She threw away
56 of the remaining thread. As a result, she had 98 cm of the thread left. How much thread did Gabby have at first? Give your answer in cm.
Fraction of the thread left after tying some presents
= 1 -
310=
710 Fraction of the remaining thread left after throwing away
= 1 -
56=
16
Fraction of the total thread left
=
710 ×
16=
760
Length of the thread at first = 60 u
Length of the thread left = 7 u
7 u = 98
1 u = 98 ÷ 7 = 14
Length of the thread at first
= 60 u
= 60 x 14
= 840 cm
Answer(s): 840 cm