Question 1008149
.
C=number of cats; D=number of dogs
.
C+D=32
D=32-C
.
$1C+$5D=$128
$1C+$5(32-C)=$128
$1C+$160-$5C=$128
-4$C=-$32
C=8
ANSWER: There were 8 cats
.
CHECK:
D=32-C=32-8=24
There were 24 dogs.
.
$1C+$5D=$128
$1(8)+$5(24)=$128
$8+$120=$128
$128=$128