Free piont (so this will not get delete) 7x8x3=
2 answers:
Answer:
168 also thank you so much
Step-by-step explanation:
Answer:
168
Step-by-step explanation:
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Answer:
10i and 7i
Step-by-step explanation:
Tell me if this helps
Answer:
134
Step-by-step explanation:
670/5 = 134
hmmmm
b = brother
s = sister
a = my age
so your brother is 5 years older, b = a + 5.
and your sister is 3 years younger, s = a - 3.
that means your sister is
![\bf \begin{cases} b=a+5\implies b-5=\boxed{a}\\ s=a-3\\[-0.5em] \hrulefill\\ s=\boxed{b-5}-3\implies s=b-8 \end{cases} \\\\\\ \stackrel{\textit{if your sister is "m" years old, say s = m}}{m=b-8}\implies \blacktriangleright m+8=b \blacktriangleleft](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Bcases%7D%20b%3Da%2B5%5Cimplies%20b-5%3D%5Cboxed%7Ba%7D%5C%5C%20s%3Da-3%5C%5C%5B-0.5em%5D%20%5Chrulefill%5C%5C%20s%3D%5Cboxed%7Bb-5%7D-3%5Cimplies%20s%3Db-8%20%5Cend%7Bcases%7D%20%5C%5C%5C%5C%5C%5C%20%5Cstackrel%7B%5Ctextit%7Bif%20your%20sister%20is%20%22m%22%20years%20old%2C%20say%20s%20%3D%20m%7D%7D%7Bm%3Db-8%7D%5Cimplies%20%5Cblacktriangleright%20m%2B8%3Db%20%5Cblacktriangleleft)
Answer:2
just make them into positive if there’s 2 negatives 7-5=2
