Download B Homework Practice Solve and Write Multiplication Equations

r
chapter
~^ •• •
B
PERIOD
DATE
' NAME
Homework Practice
iv'
Solve and Write Multiplication Equations
S o l v e e a c h e q u a t i o n . C h e c k y o u r solution.
1. 7q,= 6 3 ,
7
n
2. Uk
= 0^
5._3u = 42
3. 13w = 39
4._55 = Ux_
II
M
7. 14» = 70
S.3c
= 3_
1
9. 15s = 120
IT
^
10. 35(7 = 5
3T
3^
7
13. 72.=
14. 0.^86. = L 1 2
12. l | - j = 15
X
"5
15.£.3g = 7.13
16. 40 = 1.0m
Ho) 0 ^ 2 5
move forward t h r o u g h 2. S-m^ior-thick-^
17. TIME The Russian ice brea^cer Yd
ice at a speed of 5.5 kilometers per hour. W r i t e and solve a m u l t i p l i c a t i o n equation
to find the number of hoi^rs i t w i l l take to t r a v e l 82.5 kilometers thrdkigb the ice.
FUNDRAISING A school i s r a i s i n g m o n e y b y s e l l i n g
c a l e n d a r s for $20 e a c h . M r s . H a w k i n s p r o m i s e d a
p a r t y to w h i c h e v e r of h e r E n g l i s h c l a s s e s sold t h e
most c a l e n d a r s over t h e c o u r s e of four week^^
the table to a n s w e r E x e r c i s e s 18-20.
a
18. W r i t e and solve an equation to show the average
number of calendars her 3rd period class sold
per week d u r i n g the four-week challenge.
I'
Mrs. H a w k i n s *
IPSindraising C h a l l e n g e
Class
Number of
Calendars Sold
1st Period
60
2nd Period
123
3 r d Period
89
4 t h Period
126
( L . Z 2 . 2 S ^-^ZT-u
19. How many calendars d i d the 1st and 2nd period classes sell on average per week? W r i t e
and solve a m u l t i p l i c a t i o n equation, j f- t 2»-/''-=• QO'f' { 2 - 3 ~ ( § " 3
20. W h a t was the average number of calendars sold i n a week by a l l of her classes?
t
Z
0^
^{9 S
4^l^|i||ffB^|BB!||EI^ For more examples, go to glencoe.com.
109
Chapter 7
•1
Course 1
NAME
DATE
PERIOD
Problem-Solving Practice
Solve and Write Multiplication Equations
F o r E x e r c i s e s 1-3, u s e the table below. T h e table s h o w s the a m o u n t of
e a c h k i n d of m a r i n e life i n B u n i t o ' s s a l t w a t e r a q u a r i u m .
Bunito's Saltwater Aquarium
Clown fish
m
Sea urchins
a
Seahorses
16
Starfish
9
1. The number of starfish is 3 times the
number of clown fish. W r i t e and solve
an equation to find how many clown
fish are i n the aquariura.
2. The number of sea horses is 4 times the
number of sea urchins. W r i t e and solve
an equation to find how many sea
urchins are i n the aquarium.
3 c ^
3. The total cost of the starfish was $7.20.
W r i t e and solve an equation to find how
much one starfish cost./^
*
f-.
4. MONEY Paz has $18 i n her wallet. This
is 3 times the money i n her pocket.
W r i t e and solve an equation to find how
m u c h money Paz has i n her
5. PAGES Marquis read 230 pages of a
novel i n 5 hours. W r i t e and solve a n
equation to find how many pages he ^
read i n one hour.
p — # ^^H^y
6. EXPRESS A n express delivery company
charges by the pound. A package t h a t
weighed 5 pounds cost $24.50 to
overnight. W r i t e and solve an equation
to find how much the delivery company
would charge to overnight a package
t h a t weighed 1 pound.
^ pffv^<^
Chapter 7
110
Course 1